Home / 27,074.85-40,581.18-16,947.78

Finding the Fourth Proportional to 27,074.85, 40,581.18 and 16,947.78

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Solution

The fourth proportional to 27,074.85, 40,581.18 and 16,947.78 is: 25,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.85 : 40,581.18 = 16,947.78 : x
  2. Step 2: Convert to fraction form
    27,074.85/40,581.18 = 16,947.78/x
  3. Step 3: Cross multiply
    27,074.85x = 40,581.18 × 16,947.78
  4. Step 4: Simplify right side
    27,074.85x = 687,760,910.78
  5. Step 5: Solve for x
    x = 687,760,910.78/27,074.85
  6. Step 6: Final answer
    x = 25,402.21

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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.