Home / 27,174.76-40,732.22-20,489.83

Finding the Fourth Proportional to 27,174.76, 40,732.22 and 20,489.83

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Solution

The fourth proportional to 27,174.76, 40,732.22 and 20,489.83 is: 30,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.76 : 40,732.22 = 20,489.83 : x
  2. Step 2: Convert to fraction form
    27,174.76/40,732.22 = 20,489.83/x
  3. Step 3: Cross multiply
    27,174.76x = 40,732.22 × 20,489.83
  4. Step 4: Simplify right side
    27,174.76x = 834,596,263.32
  5. Step 5: Solve for x
    x = 834,596,263.32/27,174.76
  6. Step 6: Final answer
    x = 30,712.19

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1.5x scale

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.