Home / 27,828.45-41,742.75-8,107.49

Finding the Fourth Proportional to 27,828.45, 41,742.75 and 8,107.49

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Solution

The fourth proportional to 27,828.45, 41,742.75 and 8,107.49 is: 12,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.45 : 41,742.75 = 8,107.49 : x
  2. Step 2: Convert to fraction form
    27,828.45/41,742.75 = 8,107.49/x
  3. Step 3: Cross multiply
    27,828.45x = 41,742.75 × 8,107.49
  4. Step 4: Simplify right side
    27,828.45x = 338,428,928.20
  5. Step 5: Solve for x
    x = 338,428,928.20/27,828.45
  6. Step 6: Final answer
    x = 12,161.26

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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.