Home / 27,092.20-40,624.86-8,621.80

Finding the Fourth Proportional to 27,092.20, 40,624.86 and 8,621.80

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Solution

The fourth proportional to 27,092.20, 40,624.86 and 8,621.80 is: 12,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,092.20 : 40,624.86 = 8,621.80 : x
  2. Step 2: Convert to fraction form
    27,092.20/40,624.86 = 8,621.80/x
  3. Step 3: Cross multiply
    27,092.20x = 40,624.86 × 8,621.80
  4. Step 4: Simplify right side
    27,092.20x = 350,259,417.95
  5. Step 5: Solve for x
    x = 350,259,417.95/27,092.20
  6. Step 6: Final answer
    x = 12,928.42

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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.