Home / 21,508.48-32,248.95-8,350.03

Finding the Fourth Proportional to 21,508.48, 32,248.95 and 8,350.03

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Solution

The fourth proportional to 21,508.48, 32,248.95 and 8,350.03 is: 12,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.48 : 32,248.95 = 8,350.03 : x
  2. Step 2: Convert to fraction form
    21,508.48/32,248.95 = 8,350.03/x
  3. Step 3: Cross multiply
    21,508.48x = 32,248.95 × 8,350.03
  4. Step 4: Simplify right side
    21,508.48x = 269,279,699.97
  5. Step 5: Solve for x
    x = 269,279,699.97/21,508.48
  6. Step 6: Final answer
    x = 12,519.70

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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.