Home / 26,968.89-40,436.43-8,242.70

Finding the Fourth Proportional to 26,968.89, 40,436.43 and 8,242.70

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Solution

The fourth proportional to 26,968.89, 40,436.43 and 8,242.70 is: 12,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.89 : 40,436.43 = 8,242.70 : x
  2. Step 2: Convert to fraction form
    26,968.89/40,436.43 = 8,242.70/x
  3. Step 3: Cross multiply
    26,968.89x = 40,436.43 × 8,242.70
  4. Step 4: Simplify right side
    26,968.89x = 333,305,361.56
  5. Step 5: Solve for x
    x = 333,305,361.56/26,968.89
  6. Step 6: Final answer
    x = 12,358.88

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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.