Home / 40,149.13-55,425.06-28,222.69

Finding the Fourth Proportional to 40,149.13, 55,425.06 and 28,222.69

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Solution

The fourth proportional to 40,149.13, 55,425.06 and 28,222.69 is: 38,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.13 : 55,425.06 = 28,222.69 : x
  2. Step 2: Convert to fraction form
    40,149.13/55,425.06 = 28,222.69/x
  3. Step 3: Cross multiply
    40,149.13x = 55,425.06 × 28,222.69
  4. Step 4: Simplify right side
    40,149.13x = 1,564,244,286.61
  5. Step 5: Solve for x
    x = 1,564,244,286.61/40,149.13
  6. Step 6: Final answer
    x = 38,960.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.