Home / 71,152.15-106,728.23-26,788.86

Finding the Fourth Proportional to 71,152.15, 106,728.23 and 26,788.86

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Solution

The fourth proportional to 71,152.15, 106,728.23 and 26,788.86 is: 40,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,152.15 : 106,728.23 = 26,788.86 : x
  2. Step 2: Convert to fraction form
    71,152.15/106,728.23 = 26,788.86/x
  3. Step 3: Cross multiply
    71,152.15x = 106,728.23 × 26,788.86
  4. Step 4: Simplify right side
    71,152.15x = 2,859,126,943.93
  5. Step 5: Solve for x
    x = 2,859,126,943.93/71,152.15
  6. Step 6: Final answer
    x = 40,183.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.