Home / 27,656.97-38,169.56-16,908.13

Finding the Fourth Proportional to 27,656.97, 38,169.56 and 16,908.13

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Solution

The fourth proportional to 27,656.97, 38,169.56 and 16,908.13 is: 23,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.97 : 38,169.56 = 16,908.13 : x
  2. Step 2: Convert to fraction form
    27,656.97/38,169.56 = 16,908.13/x
  3. Step 3: Cross multiply
    27,656.97x = 38,169.56 × 16,908.13
  4. Step 4: Simplify right side
    27,656.97x = 645,375,893.41
  5. Step 5: Solve for x
    x = 645,375,893.41/27,656.97
  6. Step 6: Final answer
    x = 23,335.02

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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.