Home / 27,358.08-37,759.68-21,377.92

Finding the Fourth Proportional to 27,358.08, 37,759.68 and 21,377.92

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Solution

The fourth proportional to 27,358.08, 37,759.68 and 21,377.92 is: 29,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.08 : 37,759.68 = 21,377.92 : x
  2. Step 2: Convert to fraction form
    27,358.08/37,759.68 = 21,377.92/x
  3. Step 3: Cross multiply
    27,358.08x = 37,759.68 × 21,377.92
  4. Step 4: Simplify right side
    27,358.08x = 807,223,418.27
  5. Step 5: Solve for x
    x = 807,223,418.27/27,358.08
  6. Step 6: Final answer
    x = 29,505.85

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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.