Home / 27,691.44-38,256-18,154.08

Finding the Fourth Proportional to 27,691.44, 38,256 and 18,154.08

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Solution

The fourth proportional to 27,691.44, 38,256 and 18,154.08 is: 25,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.44 : 38,256 = 18,154.08 : x
  2. Step 2: Convert to fraction form
    27,691.44/38,256 = 18,154.08/x
  3. Step 3: Cross multiply
    27,691.44x = 38,256 × 18,154.08
  4. Step 4: Simplify right side
    27,691.44x = 694,502,484.48
  5. Step 5: Solve for x
    x = 694,502,484.48/27,691.44
  6. Step 6: Final answer
    x = 25,080.04

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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.