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Finding the Fourth Proportional to 41,997.92, 62,997.01 and 28,810.31

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Solution

The fourth proportional to 41,997.92, 62,997.01 and 28,810.31 is: 43,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,997.92 : 62,997.01 = 28,810.31 : x
  2. Step 2: Convert to fraction form
    41,997.92/62,997.01 = 28,810.31/x
  3. Step 3: Cross multiply
    41,997.92x = 62,997.01 × 28,810.31
  4. Step 4: Simplify right side
    41,997.92x = 1,814,963,000.16
  5. Step 5: Solve for x
    x = 1,814,963,000.16/41,997.92
  6. Step 6: Final answer
    x = 43,215.55

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1.5x scale

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.