Home / 21,202.90-29,249.98-14,497.92

Finding the Fourth Proportional to 21,202.90, 29,249.98 and 14,497.92

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Solution

The fourth proportional to 21,202.90, 29,249.98 and 14,497.92 is: 20,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.90 : 29,249.98 = 14,497.92 : x
  2. Step 2: Convert to fraction form
    21,202.90/29,249.98 = 14,497.92/x
  3. Step 3: Cross multiply
    21,202.90x = 29,249.98 × 14,497.92
  4. Step 4: Simplify right side
    21,202.90x = 424,063,833.80
  5. Step 5: Solve for x
    x = 424,063,833.80/21,202.90
  6. Step 6: Final answer
    x = 20,000.28

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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.