Home / 27,815.21-41,722.36-6,755.43

Finding the Fourth Proportional to 27,815.21, 41,722.36 and 6,755.43

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Solution

The fourth proportional to 27,815.21, 41,722.36 and 6,755.43 is: 10,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.21 : 41,722.36 = 6,755.43 : x
  2. Step 2: Convert to fraction form
    27,815.21/41,722.36 = 6,755.43/x
  3. Step 3: Cross multiply
    27,815.21x = 41,722.36 × 6,755.43
  4. Step 4: Simplify right side
    27,815.21x = 281,852,273.80
  5. Step 5: Solve for x
    x = 281,852,273.80/27,815.21
  6. Step 6: Final answer
    x = 10,133.03

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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.