Home / 42,272.97-63,437.13-15,977.73

Finding the Fourth Proportional to 42,272.97, 63,437.13 and 15,977.73

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Solution

The fourth proportional to 42,272.97, 63,437.13 and 15,977.73 is: 23,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272.97 : 63,437.13 = 15,977.73 : x
  2. Step 2: Convert to fraction form
    42,272.97/63,437.13 = 15,977.73/x
  3. Step 3: Cross multiply
    42,272.97x = 63,437.13 × 15,977.73
  4. Step 4: Simplify right side
    42,272.97x = 1,013,581,335.11
  5. Step 5: Solve for x
    x = 1,013,581,335.11/42,272.97
  6. Step 6: Final answer
    x = 23,977.06

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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.