Home / 26,805.06-40,194.56-8,081.61

Finding the Fourth Proportional to 26,805.06, 40,194.56 and 8,081.61

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Solution

The fourth proportional to 26,805.06, 40,194.56 and 8,081.61 is: 12,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.06 : 40,194.56 = 8,081.61 : x
  2. Step 2: Convert to fraction form
    26,805.06/40,194.56 = 8,081.61/x
  3. Step 3: Cross multiply
    26,805.06x = 40,194.56 × 8,081.61
  4. Step 4: Simplify right side
    26,805.06x = 324,836,627.52
  5. Step 5: Solve for x
    x = 324,836,627.52/26,805.06
  6. Step 6: Final answer
    x = 12,118.48

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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.