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Finding the Fourth Proportional to 28,737.78, 43,096.01 and 10,013.01

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Solution

The fourth proportional to 28,737.78, 43,096.01 and 10,013.01 is: 15,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.78 : 43,096.01 = 10,013.01 : x
  2. Step 2: Convert to fraction form
    28,737.78/43,096.01 = 10,013.01/x
  3. Step 3: Cross multiply
    28,737.78x = 43,096.01 × 10,013.01
  4. Step 4: Simplify right side
    28,737.78x = 431,520,729.03
  5. Step 5: Solve for x
    x = 431,520,729.03/28,737.78
  6. Step 6: Final answer
    x = 15,015.80

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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.