Home / 28,247.92-38,976.25-16,310.68

Finding the Fourth Proportional to 28,247.92, 38,976.25 and 16,310.68

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Solution

The fourth proportional to 28,247.92, 38,976.25 and 16,310.68 is: 22,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.92 : 38,976.25 = 16,310.68 : x
  2. Step 2: Convert to fraction form
    28,247.92/38,976.25 = 16,310.68/x
  3. Step 3: Cross multiply
    28,247.92x = 38,976.25 × 16,310.68
  4. Step 4: Simplify right side
    28,247.92x = 635,729,141.35
  5. Step 5: Solve for x
    x = 635,729,141.35/28,247.92
  6. Step 6: Final answer
    x = 22,505.34

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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.