Home / 21,499.76-32,251.16-5,704.66

Finding the Fourth Proportional to 21,499.76, 32,251.16 and 5,704.66

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Solution

The fourth proportional to 21,499.76, 32,251.16 and 5,704.66 is: 8,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499.76 : 32,251.16 = 5,704.66 : x
  2. Step 2: Convert to fraction form
    21,499.76/32,251.16 = 5,704.66/x
  3. Step 3: Cross multiply
    21,499.76x = 32,251.16 × 5,704.66
  4. Step 4: Simplify right side
    21,499.76x = 183,981,956.98
  5. Step 5: Solve for x
    x = 183,981,956.98/21,499.76
  6. Step 6: Final answer
    x = 8,557.39

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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.