Home / 21,811.82-32,731.50-15,226.52

Finding the Fourth Proportional to 21,811.82, 32,731.50 and 15,226.52

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Solution

The fourth proportional to 21,811.82, 32,731.50 and 15,226.52 is: 22,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.82 : 32,731.50 = 15,226.52 : x
  2. Step 2: Convert to fraction form
    21,811.82/32,731.50 = 15,226.52/x
  3. Step 3: Cross multiply
    21,811.82x = 32,731.50 × 15,226.52
  4. Step 4: Simplify right side
    21,811.82x = 498,386,839.38
  5. Step 5: Solve for x
    x = 498,386,839.38/21,811.82
  6. Step 6: Final answer
    x = 22,849.39

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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.