Home / 28,879.14-43,319.88-9,157.26

Finding the Fourth Proportional to 28,879.14, 43,319.88 and 9,157.26

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Solution

The fourth proportional to 28,879.14, 43,319.88 and 9,157.26 is: 13,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.14 : 43,319.88 = 9,157.26 : x
  2. Step 2: Convert to fraction form
    28,879.14/43,319.88 = 9,157.26/x
  3. Step 3: Cross multiply
    28,879.14x = 43,319.88 × 9,157.26
  4. Step 4: Simplify right side
    28,879.14x = 396,691,404.33
  5. Step 5: Solve for x
    x = 396,691,404.33/28,879.14
  6. Step 6: Final answer
    x = 13,736.26

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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.