Home / 42,024.80-63,035.40-15,729.68

Finding the Fourth Proportional to 42,024.80, 63,035.40 and 15,729.68

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Solution

The fourth proportional to 42,024.80, 63,035.40 and 15,729.68 is: 23,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,024.80 : 63,035.40 = 15,729.68 : x
  2. Step 2: Convert to fraction form
    42,024.80/63,035.40 = 15,729.68/x
  3. Step 3: Cross multiply
    42,024.80x = 63,035.40 × 15,729.68
  4. Step 4: Simplify right side
    42,024.80x = 991,526,670.67
  5. Step 5: Solve for x
    x = 991,526,670.67/42,024.80
  6. Step 6: Final answer
    x = 23,593.85

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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.