Home / 17,279.76-25,906.32-5,589.84

Finding the Fourth Proportional to 17,279.76, 25,906.32 and 5,589.84

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Solution

The fourth proportional to 17,279.76, 25,906.32 and 5,589.84 is: 8,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.76 : 25,906.32 = 5,589.84 : x
  2. Step 2: Convert to fraction form
    17,279.76/25,906.32 = 5,589.84/x
  3. Step 3: Cross multiply
    17,279.76x = 25,906.32 × 5,589.84
  4. Step 4: Simplify right side
    17,279.76x = 144,812,183.79
  5. Step 5: Solve for x
    x = 144,812,183.79/17,279.76
  6. Step 6: Final answer
    x = 8,380.45

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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.