Home / 24,127.20-36,147.60-19,720.80

Finding the Fourth Proportional to 24,127.20, 36,147.60 and 19,720.80

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Solution

The fourth proportional to 24,127.20, 36,147.60 and 19,720.80 is: 29,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,127.20 : 36,147.60 = 19,720.80 : x
  2. Step 2: Convert to fraction form
    24,127.20/36,147.60 = 19,720.80/x
  3. Step 3: Cross multiply
    24,127.20x = 36,147.60 × 19,720.80
  4. Step 4: Simplify right side
    24,127.20x = 712,859,590.08
  5. Step 5: Solve for x
    x = 712,859,590.08/24,127.20
  6. Step 6: Final answer
    x = 29,545.89

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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.