Home / 21,899.43-32,799.80-15,354.83

Finding the Fourth Proportional to 21,899.43, 32,799.80 and 15,354.83

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Solution

The fourth proportional to 21,899.43, 32,799.80 and 15,354.83 is: 22,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.43 : 32,799.80 = 15,354.83 : x
  2. Step 2: Convert to fraction form
    21,899.43/32,799.80 = 15,354.83/x
  3. Step 3: Cross multiply
    21,899.43x = 32,799.80 × 15,354.83
  4. Step 4: Simplify right side
    21,899.43x = 503,635,473.42
  5. Step 5: Solve for x
    x = 503,635,473.42/21,899.43
  6. Step 6: Final answer
    x = 22,997.65

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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.