Home / 42,472.25-63,714.50-15,815.99

Finding the Fourth Proportional to 42,472.25, 63,714.50 and 15,815.99

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Solution

The fourth proportional to 42,472.25, 63,714.50 and 15,815.99 is: 23,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.25 : 63,714.50 = 15,815.99 : x
  2. Step 2: Convert to fraction form
    42,472.25/63,714.50 = 15,815.99/x
  3. Step 3: Cross multiply
    42,472.25x = 63,714.50 × 15,815.99
  4. Step 4: Simplify right side
    42,472.25x = 1,007,707,497.20
  5. Step 5: Solve for x
    x = 1,007,707,497.20/42,472.25
  6. Step 6: Final answer
    x = 23,726.26

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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.