Home / 17,169.76-25,756.32-5,480.20

Finding the Fourth Proportional to 17,169.76, 25,756.32 and 5,480.20

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Solution

The fourth proportional to 17,169.76, 25,756.32 and 5,480.20 is: 8,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.76 : 25,756.32 = 5,480.20 : x
  2. Step 2: Convert to fraction form
    17,169.76/25,756.32 = 5,480.20/x
  3. Step 3: Cross multiply
    17,169.76x = 25,756.32 × 5,480.20
  4. Step 4: Simplify right side
    17,169.76x = 141,149,784.86
  5. Step 5: Solve for x
    x = 141,149,784.86/17,169.76
  6. Step 6: Final answer
    x = 8,220.84

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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.