Home / 27,906.75-41,860.46-8,185.71

Finding the Fourth Proportional to 27,906.75, 41,860.46 and 8,185.71

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Solution

The fourth proportional to 27,906.75, 41,860.46 and 8,185.71 is: 12,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.75 : 41,860.46 = 8,185.71 : x
  2. Step 2: Convert to fraction form
    27,906.75/41,860.46 = 8,185.71/x
  3. Step 3: Cross multiply
    27,906.75x = 41,860.46 × 8,185.71
  4. Step 4: Simplify right side
    27,906.75x = 342,657,376.72
  5. Step 5: Solve for x
    x = 342,657,376.72/27,906.75
  6. Step 6: Final answer
    x = 12,278.66

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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.