Home / 27,843.35-41,766.84-8,120.25

Finding the Fourth Proportional to 27,843.35, 41,766.84 and 8,120.25

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Solution

The fourth proportional to 27,843.35, 41,766.84 and 8,120.25 is: 12,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.35 : 41,766.84 = 8,120.25 : x
  2. Step 2: Convert to fraction form
    27,843.35/41,766.84 = 8,120.25/x
  3. Step 3: Cross multiply
    27,843.35x = 41,766.84 × 8,120.25
  4. Step 4: Simplify right side
    27,843.35x = 339,157,182.51
  5. Step 5: Solve for x
    x = 339,157,182.51/27,843.35
  6. Step 6: Final answer
    x = 12,180.91

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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.