Home / 27,150.96-40,727.44-8,432.88

Finding the Fourth Proportional to 27,150.96, 40,727.44 and 8,432.88

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Solution

The fourth proportional to 27,150.96, 40,727.44 and 8,432.88 is: 12,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.96 : 40,727.44 = 8,432.88 : x
  2. Step 2: Convert to fraction form
    27,150.96/40,727.44 = 8,432.88/x
  3. Step 3: Cross multiply
    27,150.96x = 40,727.44 × 8,432.88
  4. Step 4: Simplify right side
    27,150.96x = 343,449,614.23
  5. Step 5: Solve for x
    x = 343,449,614.23/27,150.96
  6. Step 6: Final answer
    x = 12,649.63

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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.