Home / 27,828.85-41,743.41-8,107.51

Finding the Fourth Proportional to 27,828.85, 41,743.41 and 8,107.51

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Solution

The fourth proportional to 27,828.85, 41,743.41 and 8,107.51 is: 12,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.85 : 41,743.41 = 8,107.51 : x
  2. Step 2: Convert to fraction form
    27,828.85/41,743.41 = 8,107.51/x
  3. Step 3: Cross multiply
    27,828.85x = 41,743.41 × 8,107.51
  4. Step 4: Simplify right side
    27,828.85x = 338,435,114.01
  5. Step 5: Solve for x
    x = 338,435,114.01/27,828.85
  6. Step 6: Final answer
    x = 12,161.30

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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.