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Finding the Fourth Proportional to 26,046.96, 39,069.48 and 7,578.48

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Solution

The fourth proportional to 26,046.96, 39,069.48 and 7,578.48 is: 11,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,046.96 : 39,069.48 = 7,578.48 : x
  2. Step 2: Convert to fraction form
    26,046.96/39,069.48 = 7,578.48/x
  3. Step 3: Cross multiply
    26,046.96x = 39,069.48 × 7,578.48
  4. Step 4: Simplify right side
    26,046.96x = 296,087,272.79
  5. Step 5: Solve for x
    x = 296,087,272.79/26,046.96
  6. Step 6: Final answer
    x = 11,367.44

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Similar ratio
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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.