By using arithmetic progression (AP) series logic formula

a,a+d,a+2d,a+3d,……….

In this question, a =27

d – difference between the first and second number

d= 37- 27=10

We find out the fourth number,

a +3d = 27 + 3(10)

a + 3d = 27+ 30

a + 3d = 57

So 57 is the next term in the series.