Home / 27,905.13-41,859.85-7,914.28

Finding the Fourth Proportional to 27,905.13, 41,859.85 and 7,914.28

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Solution

The fourth proportional to 27,905.13, 41,859.85 and 7,914.28 is: 11,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.13 : 41,859.85 = 7,914.28 : x
  2. Step 2: Convert to fraction form
    27,905.13/41,859.85 = 7,914.28/x
  3. Step 3: Cross multiply
    27,905.13x = 41,859.85 × 7,914.28
  4. Step 4: Simplify right side
    27,905.13x = 331,290,449.22
  5. Step 5: Solve for x
    x = 331,290,449.22/27,905.13
  6. Step 6: Final answer
    x = 11,872.03

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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.