Home / 21,486.10-32,229.15-14,925.10

Finding the Fourth Proportional to 21,486.10, 32,229.15 and 14,925.10

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Solution

The fourth proportional to 21,486.10, 32,229.15 and 14,925.10 is: 22,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.10 : 32,229.15 = 14,925.10 : x
  2. Step 2: Convert to fraction form
    21,486.10/32,229.15 = 14,925.10/x
  3. Step 3: Cross multiply
    21,486.10x = 32,229.15 × 14,925.10
  4. Step 4: Simplify right side
    21,486.10x = 481,023,286.67
  5. Step 5: Solve for x
    x = 481,023,286.67/21,486.10
  6. Step 6: Final answer
    x = 22,387.65

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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.