Home / 67,280.36-100,932.42-27,815.36

Finding the Fourth Proportional to 67,280.36, 100,932.42 and 27,815.36

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Solution

The fourth proportional to 67,280.36, 100,932.42 and 27,815.36 is: 41,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.36 : 100,932.42 = 27,815.36 : x
  2. Step 2: Convert to fraction form
    67,280.36/100,932.42 = 27,815.36/x
  3. Step 3: Cross multiply
    67,280.36x = 100,932.42 × 27,815.36
  4. Step 4: Simplify right side
    67,280.36x = 2,807,471,597.97
  5. Step 5: Solve for x
    x = 2,807,471,597.97/67,280.36
  6. Step 6: Final answer
    x = 41,727.95

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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.