Home / 27,174.77-40,732.22-20,489.82

Finding the Fourth Proportional to 27,174.77, 40,732.22 and 20,489.82

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Solution

The fourth proportional to 27,174.77, 40,732.22 and 20,489.82 is: 30,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.77 : 40,732.22 = 20,489.82 : x
  2. Step 2: Convert to fraction form
    27,174.77/40,732.22 = 20,489.82/x
  3. Step 3: Cross multiply
    27,174.77x = 40,732.22 × 20,489.82
  4. Step 4: Simplify right side
    27,174.77x = 834,595,753.55
  5. Step 5: Solve for x
    x = 834,595,753.55/27,174.77
  6. Step 6: Final answer
    x = 30,712.16

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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.