Home / 18,286.32-27,385.74-17,367.78

Finding the Fourth Proportional to 18,286.32, 27,385.74 and 17,367.78

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Solution

The fourth proportional to 18,286.32, 27,385.74 and 17,367.78 is: 26,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.32 : 27,385.74 = 17,367.78 : x
  2. Step 2: Convert to fraction form
    18,286.32/27,385.74 = 17,367.78/x
  3. Step 3: Cross multiply
    18,286.32x = 27,385.74 × 17,367.78
  4. Step 4: Simplify right side
    18,286.32x = 475,629,507.46
  5. Step 5: Solve for x
    x = 475,629,507.46/18,286.32
  6. Step 6: Final answer
    x = 26,010.13

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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.