Home / 17,277.75-25,917.30-5,439.60

Finding the Fourth Proportional to 17,277.75, 25,917.30 and 5,439.60

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Solution

The fourth proportional to 17,277.75, 25,917.30 and 5,439.60 is: 8,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,277.75 : 25,917.30 = 5,439.60 : x
  2. Step 2: Convert to fraction form
    17,277.75/25,917.30 = 5,439.60/x
  3. Step 3: Cross multiply
    17,277.75x = 25,917.30 × 5,439.60
  4. Step 4: Simplify right side
    17,277.75x = 140,979,745.08
  5. Step 5: Solve for x
    x = 140,979,745.08/17,277.75
  6. Step 6: Final answer
    x = 8,159.61

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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.