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Finding the Fourth Proportional to 23,787.03, 35,686.01 and 7,147.38

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Solution

The fourth proportional to 23,787.03, 35,686.01 and 7,147.38 is: 10,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,787.03 : 35,686.01 = 7,147.38 : x
  2. Step 2: Convert to fraction form
    23,787.03/35,686.01 = 7,147.38/x
  3. Step 3: Cross multiply
    23,787.03x = 35,686.01 × 7,147.38
  4. Step 4: Simplify right side
    23,787.03x = 255,061,474.15
  5. Step 5: Solve for x
    x = 255,061,474.15/23,787.03
  6. Step 6: Final answer
    x = 10,722.71

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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.