Home / 27,918.84-38,512.60-17,691.16

Finding the Fourth Proportional to 27,918.84, 38,512.60 and 17,691.16

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Solution

The fourth proportional to 27,918.84, 38,512.60 and 17,691.16 is: 24,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.84 : 38,512.60 = 17,691.16 : x
  2. Step 2: Convert to fraction form
    27,918.84/38,512.60 = 17,691.16/x
  3. Step 3: Cross multiply
    27,918.84x = 38,512.60 × 17,691.16
  4. Step 4: Simplify right side
    27,918.84x = 681,332,568.62
  5. Step 5: Solve for x
    x = 681,332,568.62/27,918.84
  6. Step 6: Final answer
    x = 24,404.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.