Home / 28,708.44-43,079.40-12,067.26

Finding the Fourth Proportional to 28,708.44, 43,079.40 and 12,067.26

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Solution

The fourth proportional to 28,708.44, 43,079.40 and 12,067.26 is: 18,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.44 : 43,079.40 = 12,067.26 : x
  2. Step 2: Convert to fraction form
    28,708.44/43,079.40 = 12,067.26/x
  3. Step 3: Cross multiply
    28,708.44x = 43,079.40 × 12,067.26
  4. Step 4: Simplify right side
    28,708.44x = 519,850,320.44
  5. Step 5: Solve for x
    x = 519,850,320.44/28,708.44
  6. Step 6: Final answer
    x = 18,107.93

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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.