Home / 82,423.77-123,628.81-26,261.61

Finding the Fourth Proportional to 82,423.77, 123,628.81 and 26,261.61

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Solution

The fourth proportional to 82,423.77, 123,628.81 and 26,261.61 is: 39,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.77 : 123,628.81 = 26,261.61 : x
  2. Step 2: Convert to fraction form
    82,423.77/123,628.81 = 26,261.61/x
  3. Step 3: Cross multiply
    82,423.77x = 123,628.81 × 26,261.61
  4. Step 4: Simplify right side
    82,423.77x = 3,246,691,592.98
  5. Step 5: Solve for x
    x = 3,246,691,592.98/82,423.77
  6. Step 6: Final answer
    x = 39,390.23

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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.