Home / 27,839.16-41,757.66-9,120.60

Finding the Fourth Proportional to 27,839.16, 41,757.66 and 9,120.60

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Solution

The fourth proportional to 27,839.16, 41,757.66 and 9,120.60 is: 13,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.16 : 41,757.66 = 9,120.60 : x
  2. Step 2: Convert to fraction form
    27,839.16/41,757.66 = 9,120.60/x
  3. Step 3: Cross multiply
    27,839.16x = 41,757.66 × 9,120.60
  4. Step 4: Simplify right side
    27,839.16x = 380,854,913.80
  5. Step 5: Solve for x
    x = 380,854,913.80/27,839.16
  6. Step 6: Final answer
    x = 13,680.55

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1.5x scale

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.