Home / 21,524.48-32,288.76-8,377.88

Finding the Fourth Proportional to 21,524.48, 32,288.76 and 8,377.88

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Solution

The fourth proportional to 21,524.48, 32,288.76 and 8,377.88 is: 12,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.48 : 32,288.76 = 8,377.88 : x
  2. Step 2: Convert to fraction form
    21,524.48/32,288.76 = 8,377.88/x
  3. Step 3: Cross multiply
    21,524.48x = 32,288.76 × 8,377.88
  4. Step 4: Simplify right side
    21,524.48x = 270,511,356.63
  5. Step 5: Solve for x
    x = 270,511,356.63/21,524.48
  6. Step 6: Final answer
    x = 12,567.61

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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.