Home / 27,409.20-41,113.80-9,872.70

Finding the Fourth Proportional to 27,409.20, 41,113.80 and 9,872.70

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Solution

The fourth proportional to 27,409.20, 41,113.80 and 9,872.70 is: 14,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.20 : 41,113.80 = 9,872.70 : x
  2. Step 2: Convert to fraction form
    27,409.20/41,113.80 = 9,872.70/x
  3. Step 3: Cross multiply
    27,409.20x = 41,113.80 × 9,872.70
  4. Step 4: Simplify right side
    27,409.20x = 405,904,213.26
  5. Step 5: Solve for x
    x = 405,904,213.26/27,409.20
  6. Step 6: Final answer
    x = 14,809.05

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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.