Home / 27,480.43-41,223.38-8,509.57

Finding the Fourth Proportional to 27,480.43, 41,223.38 and 8,509.57

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Solution

The fourth proportional to 27,480.43, 41,223.38 and 8,509.57 is: 12,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.43 : 41,223.38 = 8,509.57 : x
  2. Step 2: Convert to fraction form
    27,480.43/41,223.38 = 8,509.57/x
  3. Step 3: Cross multiply
    27,480.43x = 41,223.38 × 8,509.57
  4. Step 4: Simplify right side
    27,480.43x = 350,793,371.89
  5. Step 5: Solve for x
    x = 350,793,371.89/27,480.43
  6. Step 6: Final answer
    x = 12,765.21

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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.