Home / 17,288.70-25,917.21-5,595.90

Finding the Fourth Proportional to 17,288.70, 25,917.21 and 5,595.90

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Solution

The fourth proportional to 17,288.70, 25,917.21 and 5,595.90 is: 8,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.70 : 25,917.21 = 5,595.90 : x
  2. Step 2: Convert to fraction form
    17,288.70/25,917.21 = 5,595.90/x
  3. Step 3: Cross multiply
    17,288.70x = 25,917.21 × 5,595.90
  4. Step 4: Simplify right side
    17,288.70x = 145,030,115.44
  5. Step 5: Solve for x
    x = 145,030,115.44/17,288.70
  6. Step 6: Final answer
    x = 8,388.72

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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.