Home / 21,818.76-32,733-11,952.96

Finding the Fourth Proportional to 21,818.76, 32,733 and 11,952.96

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Solution

The fourth proportional to 21,818.76, 32,733 and 11,952.96 is: 17,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.76 : 32,733 = 11,952.96 : x
  2. Step 2: Convert to fraction form
    21,818.76/32,733 = 11,952.96/x
  3. Step 3: Cross multiply
    21,818.76x = 32,733 × 11,952.96
  4. Step 4: Simplify right side
    21,818.76x = 391,256,239.68
  5. Step 5: Solve for x
    x = 391,256,239.68/21,818.76
  6. Step 6: Final answer
    x = 17,932.10

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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.