Home / 21,479.28-29,641.72-16,092.18

Finding the Fourth Proportional to 21,479.28, 29,641.72 and 16,092.18

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Solution

The fourth proportional to 21,479.28, 29,641.72 and 16,092.18 is: 22,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.28 : 29,641.72 = 16,092.18 : x
  2. Step 2: Convert to fraction form
    21,479.28/29,641.72 = 16,092.18/x
  3. Step 3: Cross multiply
    21,479.28x = 29,641.72 × 16,092.18
  4. Step 4: Simplify right side
    21,479.28x = 476,999,893.75
  5. Step 5: Solve for x
    x = 476,999,893.75/21,479.28
  6. Step 6: Final answer
    x = 22,207.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.