Home / 21,446-32,179.97-10,214.04

Finding the Fourth Proportional to 21,446, 32,179.97 and 10,214.04

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Solution

The fourth proportional to 21,446, 32,179.97 and 10,214.04 is: 15,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446 : 32,179.97 = 10,214.04 : x
  2. Step 2: Convert to fraction form
    21,446/32,179.97 = 10,214.04/x
  3. Step 3: Cross multiply
    21,446x = 32,179.97 × 10,214.04
  4. Step 4: Simplify right side
    21,446x = 328,687,500.78
  5. Step 5: Solve for x
    x = 328,687,500.78/21,446
  6. Step 6: Final answer
    x = 15,326.28

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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.