Home / 26,377.20-39,571.20-8,859.60

Finding the Fourth Proportional to 26,377.20, 39,571.20 and 8,859.60

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Solution

The fourth proportional to 26,377.20, 39,571.20 and 8,859.60 is: 13,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.20 : 39,571.20 = 8,859.60 : x
  2. Step 2: Convert to fraction form
    26,377.20/39,571.20 = 8,859.60/x
  3. Step 3: Cross multiply
    26,377.20x = 39,571.20 × 8,859.60
  4. Step 4: Simplify right side
    26,377.20x = 350,585,003.52
  5. Step 5: Solve for x
    x = 350,585,003.52/26,377.20
  6. Step 6: Final answer
    x = 13,291.21

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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.