Home / 17,765.92-26,647.86-5,286.04

Finding the Fourth Proportional to 17,765.92, 26,647.86 and 5,286.04

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Solution

The fourth proportional to 17,765.92, 26,647.86 and 5,286.04 is: 7,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.92 : 26,647.86 = 5,286.04 : x
  2. Step 2: Convert to fraction form
    17,765.92/26,647.86 = 5,286.04/x
  3. Step 3: Cross multiply
    17,765.92x = 26,647.86 × 5,286.04
  4. Step 4: Simplify right side
    17,765.92x = 140,861,653.87
  5. Step 5: Solve for x
    x = 140,861,653.87/17,765.92
  6. Step 6: Final answer
    x = 7,928.76

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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.