Home / 28,853.82-43,284.38-9,125.26

Finding the Fourth Proportional to 28,853.82, 43,284.38 and 9,125.26

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Solution

The fourth proportional to 28,853.82, 43,284.38 and 9,125.26 is: 13,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.82 : 43,284.38 = 9,125.26 : x
  2. Step 2: Convert to fraction form
    28,853.82/43,284.38 = 9,125.26/x
  3. Step 3: Cross multiply
    28,853.82x = 43,284.38 × 9,125.26
  4. Step 4: Simplify right side
    28,853.82x = 394,981,067.60
  5. Step 5: Solve for x
    x = 394,981,067.60/28,853.82
  6. Step 6: Final answer
    x = 13,689.04

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1.5x scale

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.