Home / 27,947.38-41,920.66-6,887.66

Finding the Fourth Proportional to 27,947.38, 41,920.66 and 6,887.66

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Solution

The fourth proportional to 27,947.38, 41,920.66 and 6,887.66 is: 10,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.38 : 41,920.66 = 6,887.66 : x
  2. Step 2: Convert to fraction form
    27,947.38/41,920.66 = 6,887.66/x
  3. Step 3: Cross multiply
    27,947.38x = 41,920.66 × 6,887.66
  4. Step 4: Simplify right side
    27,947.38x = 288,735,253.06
  5. Step 5: Solve for x
    x = 288,735,253.06/27,947.38
  6. Step 6: Final answer
    x = 10,331.39

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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.