Home / 27,200.42-40,778.49-10,551.86

Finding the Fourth Proportional to 27,200.42, 40,778.49 and 10,551.86

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Solution

The fourth proportional to 27,200.42, 40,778.49 and 10,551.86 is: 15,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.42 : 40,778.49 = 10,551.86 : x
  2. Step 2: Convert to fraction form
    27,200.42/40,778.49 = 10,551.86/x
  3. Step 3: Cross multiply
    27,200.42x = 40,778.49 × 10,551.86
  4. Step 4: Simplify right side
    27,200.42x = 430,288,917.49
  5. Step 5: Solve for x
    x = 430,288,917.49/27,200.42
  6. Step 6: Final answer
    x = 15,819.20

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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.