Home / 28,851.74-43,270.92-9,126.62

Finding the Fourth Proportional to 28,851.74, 43,270.92 and 9,126.62

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Solution

The fourth proportional to 28,851.74, 43,270.92 and 9,126.62 is: 13,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.74 : 43,270.92 = 9,126.62 : x
  2. Step 2: Convert to fraction form
    28,851.74/43,270.92 = 9,126.62/x
  3. Step 3: Cross multiply
    28,851.74x = 43,270.92 × 9,126.62
  4. Step 4: Simplify right side
    28,851.74x = 394,917,027.54
  5. Step 5: Solve for x
    x = 394,917,027.54/28,851.74
  6. Step 6: Final answer
    x = 13,687.81

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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.