Home / 18,326.38-27,428.73-16,686.70

Finding the Fourth Proportional to 18,326.38, 27,428.73 and 16,686.70

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Solution

The fourth proportional to 18,326.38, 27,428.73 and 16,686.70 is: 24,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.38 : 27,428.73 = 16,686.70 : x
  2. Step 2: Convert to fraction form
    18,326.38/27,428.73 = 16,686.70/x
  3. Step 3: Cross multiply
    18,326.38x = 27,428.73 × 16,686.70
  4. Step 4: Simplify right side
    18,326.38x = 457,694,988.89
  5. Step 5: Solve for x
    x = 457,694,988.89/18,326.38
  6. Step 6: Final answer
    x = 24,974.65

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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.