Home / 27,863.52-41,790.96-8,136.78

Finding the Fourth Proportional to 27,863.52, 41,790.96 and 8,136.78

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Solution

The fourth proportional to 27,863.52, 41,790.96 and 8,136.78 is: 12,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.52 : 41,790.96 = 8,136.78 : x
  2. Step 2: Convert to fraction form
    27,863.52/41,790.96 = 8,136.78/x
  3. Step 3: Cross multiply
    27,863.52x = 41,790.96 × 8,136.78
  4. Step 4: Simplify right side
    27,863.52x = 340,043,847.51
  5. Step 5: Solve for x
    x = 340,043,847.51/27,863.52
  6. Step 6: Final answer
    x = 12,203.91

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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.