Home / 21,519.28-32,263.92-10,992.52

Finding the Fourth Proportional to 21,519.28, 32,263.92 and 10,992.52

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Solution

The fourth proportional to 21,519.28, 32,263.92 and 10,992.52 is: 16,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.28 : 32,263.92 = 10,992.52 : x
  2. Step 2: Convert to fraction form
    21,519.28/32,263.92 = 10,992.52/x
  3. Step 3: Cross multiply
    21,519.28x = 32,263.92 × 10,992.52
  4. Step 4: Simplify right side
    21,519.28x = 354,661,785.88
  5. Step 5: Solve for x
    x = 354,661,785.88/21,519.28
  6. Step 6: Final answer
    x = 16,481.12

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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.