Home / 38,472-57,708-13,848

Finding the Fourth Proportional to 38,472, 57,708 and 13,848

Calculator

Solution

The fourth proportional to 38,472, 57,708 and 13,848 is: 20,772

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472 : 57,708 = 13,848 : x
  2. Step 2: Convert to fraction form
    38,472/57,708 = 13,848/x
  3. Step 3: Cross multiply
    38,472x = 57,708 × 13,848
  4. Step 4: Simplify right side
    38,472x = 799,140,384
  5. Step 5: Solve for x
    x = 799,140,384/38,472
  6. Step 6: Final answer
    x = 20,772

Related Problems

Find fourth proportional to 19,236, 28,854 and 6,924
Half scale
Find fourth proportional to 76,944, 115,416 and 27,696
Double scale
Find fourth proportional to 38,473, 57,709.50 and 13,849
Similar ratio
Find fourth proportional to 57,708, 86,562 and 20,772
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.