Home / 43,917.12-65,845.44-15,830.64

Finding the Fourth Proportional to 43,917.12, 65,845.44 and 15,830.64

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Solution

The fourth proportional to 43,917.12, 65,845.44 and 15,830.64 is: 23,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,917.12 : 65,845.44 = 15,830.64 : x
  2. Step 2: Convert to fraction form
    43,917.12/65,845.44 = 15,830.64/x
  3. Step 3: Cross multiply
    43,917.12x = 65,845.44 × 15,830.64
  4. Step 4: Simplify right side
    43,917.12x = 1,042,375,456.28
  5. Step 5: Solve for x
    x = 1,042,375,456.28/43,917.12
  6. Step 6: Final answer
    x = 23,735.06

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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.