Home / 21,937.48-32,920.80-10,251.62

Finding the Fourth Proportional to 21,937.48, 32,920.80 and 10,251.62

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Solution

The fourth proportional to 21,937.48, 32,920.80 and 10,251.62 is: 15,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.48 : 32,920.80 = 10,251.62 : x
  2. Step 2: Convert to fraction form
    21,937.48/32,920.80 = 10,251.62/x
  3. Step 3: Cross multiply
    21,937.48x = 32,920.80 × 10,251.62
  4. Step 4: Simplify right side
    21,937.48x = 337,491,531.70
  5. Step 5: Solve for x
    x = 337,491,531.70/21,937.48
  6. Step 6: Final answer
    x = 15,384.24

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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.