Home / 27,136.92-40,700.68-8,161.28

Finding the Fourth Proportional to 27,136.92, 40,700.68 and 8,161.28

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Solution

The fourth proportional to 27,136.92, 40,700.68 and 8,161.28 is: 12,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.92 : 40,700.68 = 8,161.28 : x
  2. Step 2: Convert to fraction form
    27,136.92/40,700.68 = 8,161.28/x
  3. Step 3: Cross multiply
    27,136.92x = 40,700.68 × 8,161.28
  4. Step 4: Simplify right side
    27,136.92x = 332,169,645.67
  5. Step 5: Solve for x
    x = 332,169,645.67/27,136.92
  6. Step 6: Final answer
    x = 12,240.51

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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.