Home / 27,691.87-38,190.66-16,928.59

Finding the Fourth Proportional to 27,691.87, 38,190.66 and 16,928.59

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Solution

The fourth proportional to 27,691.87, 38,190.66 and 16,928.59 is: 23,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.87 : 38,190.66 = 16,928.59 : x
  2. Step 2: Convert to fraction form
    27,691.87/38,190.66 = 16,928.59/x
  3. Step 3: Cross multiply
    27,691.87x = 38,190.66 × 16,928.59
  4. Step 4: Simplify right side
    27,691.87x = 646,514,024.97
  5. Step 5: Solve for x
    x = 646,514,024.97/27,691.87
  6. Step 6: Final answer
    x = 23,346.71

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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.