Home / 21,614.75-32,422.12-16,691.57

Finding the Fourth Proportional to 21,614.75, 32,422.12 and 16,691.57

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Solution

The fourth proportional to 21,614.75, 32,422.12 and 16,691.57 is: 25,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.75 : 32,422.12 = 16,691.57 : x
  2. Step 2: Convert to fraction form
    21,614.75/32,422.12 = 16,691.57/x
  3. Step 3: Cross multiply
    21,614.75x = 32,422.12 × 16,691.57
  4. Step 4: Simplify right side
    21,614.75x = 541,176,085.53
  5. Step 5: Solve for x
    x = 541,176,085.53/21,614.75
  6. Step 6: Final answer
    x = 25,037.35

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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.