Home / 27,003.75-40,512.12-8,535.75

Finding the Fourth Proportional to 27,003.75, 40,512.12 and 8,535.75

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Solution

The fourth proportional to 27,003.75, 40,512.12 and 8,535.75 is: 12,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.75 : 40,512.12 = 8,535.75 : x
  2. Step 2: Convert to fraction form
    27,003.75/40,512.12 = 8,535.75/x
  3. Step 3: Cross multiply
    27,003.75x = 40,512.12 × 8,535.75
  4. Step 4: Simplify right side
    27,003.75x = 345,801,328.29
  5. Step 5: Solve for x
    x = 345,801,328.29/27,003.75
  6. Step 6: Final answer
    x = 12,805.68

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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.