Home / 42,269.43-63,404.87-15,986.55

Finding the Fourth Proportional to 42,269.43, 63,404.87 and 15,986.55

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Solution

The fourth proportional to 42,269.43, 63,404.87 and 15,986.55 is: 23,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,269.43 : 63,404.87 = 15,986.55 : x
  2. Step 2: Convert to fraction form
    42,269.43/63,404.87 = 15,986.55/x
  3. Step 3: Cross multiply
    42,269.43x = 63,404.87 × 15,986.55
  4. Step 4: Simplify right side
    42,269.43x = 1,013,625,044.57
  5. Step 5: Solve for x
    x = 1,013,625,044.57/42,269.43
  6. Step 6: Final answer
    x = 23,980.10

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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.