Home / 18,187.17-27,233.21-17,078.61

Finding the Fourth Proportional to 18,187.17, 27,233.21 and 17,078.61

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Solution

The fourth proportional to 18,187.17, 27,233.21 and 17,078.61 is: 25,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.17 : 27,233.21 = 17,078.61 : x
  2. Step 2: Convert to fraction form
    18,187.17/27,233.21 = 17,078.61/x
  3. Step 3: Cross multiply
    18,187.17x = 27,233.21 × 17,078.61
  4. Step 4: Simplify right side
    18,187.17x = 465,105,517.46
  5. Step 5: Solve for x
    x = 465,105,517.46/18,187.17
  6. Step 6: Final answer
    x = 25,573.28

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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.