Home / 28,842.75-43,265.75-8,067.87

Finding the Fourth Proportional to 28,842.75, 43,265.75 and 8,067.87

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Solution

The fourth proportional to 28,842.75, 43,265.75 and 8,067.87 is: 12,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.75 : 43,265.75 = 8,067.87 : x
  2. Step 2: Convert to fraction form
    28,842.75/43,265.75 = 8,067.87/x
  3. Step 3: Cross multiply
    28,842.75x = 43,265.75 × 8,067.87
  4. Step 4: Simplify right side
    28,842.75x = 349,062,406.11
  5. Step 5: Solve for x
    x = 349,062,406.11/28,842.75
  6. Step 6: Final answer
    x = 12,102.26

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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.