Home / 29,379.92-40,544.40-15,951.20

Finding the Fourth Proportional to 29,379.92, 40,544.40 and 15,951.20

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Solution

The fourth proportional to 29,379.92, 40,544.40 and 15,951.20 is: 22,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.92 : 40,544.40 = 15,951.20 : x
  2. Step 2: Convert to fraction form
    29,379.92/40,544.40 = 15,951.20/x
  3. Step 3: Cross multiply
    29,379.92x = 40,544.40 × 15,951.20
  4. Step 4: Simplify right side
    29,379.92x = 646,731,833.28
  5. Step 5: Solve for x
    x = 646,731,833.28/29,379.92
  6. Step 6: Final answer
    x = 22,012.72

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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.