Home / 22,720.38-34,080.70-7,929.24

Finding the Fourth Proportional to 22,720.38, 34,080.70 and 7,929.24

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Solution

The fourth proportional to 22,720.38, 34,080.70 and 7,929.24 is: 11,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.38 : 34,080.70 = 7,929.24 : x
  2. Step 2: Convert to fraction form
    22,720.38/34,080.70 = 7,929.24/x
  3. Step 3: Cross multiply
    22,720.38x = 34,080.70 × 7,929.24
  4. Step 4: Simplify right side
    22,720.38x = 270,234,049.67
  5. Step 5: Solve for x
    x = 270,234,049.67/22,720.38
  6. Step 6: Final answer
    x = 11,893.91

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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.