Home / 27,949.87-38,562.55-16,613.61

Finding the Fourth Proportional to 27,949.87, 38,562.55 and 16,613.61

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Solution

The fourth proportional to 27,949.87, 38,562.55 and 16,613.61 is: 22,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.87 : 38,562.55 = 16,613.61 : x
  2. Step 2: Convert to fraction form
    27,949.87/38,562.55 = 16,613.61/x
  3. Step 3: Cross multiply
    27,949.87x = 38,562.55 × 16,613.61
  4. Step 4: Simplify right side
    27,949.87x = 640,663,166.31
  5. Step 5: Solve for x
    x = 640,663,166.31/27,949.87
  6. Step 6: Final answer
    x = 22,921.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.