Home / 27,515.28-41,260.32-8,791.68

Finding the Fourth Proportional to 27,515.28, 41,260.32 and 8,791.68

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Solution

The fourth proportional to 27,515.28, 41,260.32 and 8,791.68 is: 13,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.28 : 41,260.32 = 8,791.68 : x
  2. Step 2: Convert to fraction form
    27,515.28/41,260.32 = 8,791.68/x
  3. Step 3: Cross multiply
    27,515.28x = 41,260.32 × 8,791.68
  4. Step 4: Simplify right side
    27,515.28x = 362,747,530.14
  5. Step 5: Solve for x
    x = 362,747,530.14/27,515.28
  6. Step 6: Final answer
    x = 13,183.49

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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.