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Finding the Fourth Proportional to 27,495.39, 41,243.07 and 9,965.19

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Solution

The fourth proportional to 27,495.39, 41,243.07 and 9,965.19 is: 14,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495.39 : 41,243.07 = 9,965.19 : x
  2. Step 2: Convert to fraction form
    27,495.39/41,243.07 = 9,965.19/x
  3. Step 3: Cross multiply
    27,495.39x = 41,243.07 × 9,965.19
  4. Step 4: Simplify right side
    27,495.39x = 410,995,028.73
  5. Step 5: Solve for x
    x = 410,995,028.73/27,495.39
  6. Step 6: Final answer
    x = 14,947.78

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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.