Question

A flagpole that is 21 feet tall casts a shadow of 9 1/3 feet. If the steeple of a nearby church cast a shadow of 57 feet at the same time, how tall is the church?

Answer 1

x / 57 = 21 / (9 1/3)

Answer 2

21/(9 1/3) / x/57

Cross multiply and solve for x.