Home / 27,876.40-41,820.60-8,153.44

Finding the Fourth Proportional to 27,876.40, 41,820.60 and 8,153.44

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Solution

The fourth proportional to 27,876.40, 41,820.60 and 8,153.44 is: 12,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,876.40 : 41,820.60 = 8,153.44 : x
  2. Step 2: Convert to fraction form
    27,876.40/41,820.60 = 8,153.44/x
  3. Step 3: Cross multiply
    27,876.40x = 41,820.60 × 8,153.44
  4. Step 4: Simplify right side
    27,876.40x = 340,981,752.86
  5. Step 5: Solve for x
    x = 340,981,752.86/27,876.40
  6. Step 6: Final answer
    x = 12,231.91

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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.