Home / 27,259.20-40,892.85-8,540.91

Finding the Fourth Proportional to 27,259.20, 40,892.85 and 8,540.91

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Solution

The fourth proportional to 27,259.20, 40,892.85 and 8,540.91 is: 12,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.20 : 40,892.85 = 8,540.91 : x
  2. Step 2: Convert to fraction form
    27,259.20/40,892.85 = 8,540.91/x
  3. Step 3: Cross multiply
    27,259.20x = 40,892.85 × 8,540.91
  4. Step 4: Simplify right side
    27,259.20x = 349,262,151.49
  5. Step 5: Solve for x
    x = 349,262,151.49/27,259.20
  6. Step 6: Final answer
    x = 12,812.63

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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.