Home / 21,286.17-29,363.77-16,241.64

Finding the Fourth Proportional to 21,286.17, 29,363.77 and 16,241.64

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Solution

The fourth proportional to 21,286.17, 29,363.77 and 16,241.64 is: 22,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286.17 : 29,363.77 = 16,241.64 : x
  2. Step 2: Convert to fraction form
    21,286.17/29,363.77 = 16,241.64/x
  3. Step 3: Cross multiply
    21,286.17x = 29,363.77 × 16,241.64
  4. Step 4: Simplify right side
    21,286.17x = 476,915,700.17
  5. Step 5: Solve for x
    x = 476,915,700.17/21,286.17
  6. Step 6: Final answer
    x = 22,404.96

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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.