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Finding the Fourth Proportional to 27,860.39, 41,790.78 and 8,152.68

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Solution

The fourth proportional to 27,860.39, 41,790.78 and 8,152.68 is: 12,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.39 : 41,790.78 = 8,152.68 : x
  2. Step 2: Convert to fraction form
    27,860.39/41,790.78 = 8,152.68/x
  3. Step 3: Cross multiply
    27,860.39x = 41,790.78 × 8,152.68
  4. Step 4: Simplify right side
    27,860.39x = 340,706,856.29
  5. Step 5: Solve for x
    x = 340,706,856.29/27,860.39
  6. Step 6: Final answer
    x = 12,229.08

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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.