Home / 26,378.43-39,571.56-7,658.62

Finding the Fourth Proportional to 26,378.43, 39,571.56 and 7,658.62

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Solution

The fourth proportional to 26,378.43, 39,571.56 and 7,658.62 is: 11,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.43 : 39,571.56 = 7,658.62 : x
  2. Step 2: Convert to fraction form
    26,378.43/39,571.56 = 7,658.62/x
  3. Step 3: Cross multiply
    26,378.43x = 39,571.56 × 7,658.62
  4. Step 4: Simplify right side
    26,378.43x = 303,063,540.85
  5. Step 5: Solve for x
    x = 303,063,540.85/26,378.43
  6. Step 6: Final answer
    x = 11,489.07

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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.