Home / 27,329.28-40,990.68-8,608.56

Finding the Fourth Proportional to 27,329.28, 40,990.68 and 8,608.56

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Solution

The fourth proportional to 27,329.28, 40,990.68 and 8,608.56 is: 12,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.28 : 40,990.68 = 8,608.56 : x
  2. Step 2: Convert to fraction form
    27,329.28/40,990.68 = 8,608.56/x
  3. Step 3: Cross multiply
    27,329.28x = 40,990.68 × 8,608.56
  4. Step 4: Simplify right side
    27,329.28x = 352,870,728.22
  5. Step 5: Solve for x
    x = 352,870,728.22/27,329.28
  6. Step 6: Final answer
    x = 12,911.82

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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.