Home / 27,809.20-41,716.50-8,087.32

Finding the Fourth Proportional to 27,809.20, 41,716.50 and 8,087.32

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Solution

The fourth proportional to 27,809.20, 41,716.50 and 8,087.32 is: 12,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.20 : 41,716.50 = 8,087.32 : x
  2. Step 2: Convert to fraction form
    27,809.20/41,716.50 = 8,087.32/x
  3. Step 3: Cross multiply
    27,809.20x = 41,716.50 × 8,087.32
  4. Step 4: Simplify right side
    27,809.20x = 337,374,684.78
  5. Step 5: Solve for x
    x = 337,374,684.78/27,809.20
  6. Step 6: Final answer
    x = 12,131.77

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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.