Home / 42,218.87-63,262.67-15,909.26

Finding the Fourth Proportional to 42,218.87, 63,262.67 and 15,909.26

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Solution

The fourth proportional to 42,218.87, 63,262.67 and 15,909.26 is: 23,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.87 : 63,262.67 = 15,909.26 : x
  2. Step 2: Convert to fraction form
    42,218.87/63,262.67 = 15,909.26/x
  3. Step 3: Cross multiply
    42,218.87x = 63,262.67 × 15,909.26
  4. Step 4: Simplify right side
    42,218.87x = 1,006,461,869.46
  5. Step 5: Solve for x
    x = 1,006,461,869.46/42,218.87
  6. Step 6: Final answer
    x = 23,839.15

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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.