Home / 28,731.81-43,098.17-9,010.54

Finding the Fourth Proportional to 28,731.81, 43,098.17 and 9,010.54

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Solution

The fourth proportional to 28,731.81, 43,098.17 and 9,010.54 is: 13,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.81 : 43,098.17 = 9,010.54 : x
  2. Step 2: Convert to fraction form
    28,731.81/43,098.17 = 9,010.54/x
  3. Step 3: Cross multiply
    28,731.81x = 43,098.17 × 9,010.54
  4. Step 4: Simplify right side
    28,731.81x = 388,337,524.17
  5. Step 5: Solve for x
    x = 388,337,524.17/28,731.81
  6. Step 6: Final answer
    x = 13,515.94

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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.