Home / 26,099.20-39,146.72-7,378.48

Finding the Fourth Proportional to 26,099.20, 39,146.72 and 7,378.48

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Solution

The fourth proportional to 26,099.20, 39,146.72 and 7,378.48 is: 11,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.20 : 39,146.72 = 7,378.48 : x
  2. Step 2: Convert to fraction form
    26,099.20/39,146.72 = 7,378.48/x
  3. Step 3: Cross multiply
    26,099.20x = 39,146.72 × 7,378.48
  4. Step 4: Simplify right side
    26,099.20x = 288,843,290.59
  5. Step 5: Solve for x
    x = 288,843,290.59/26,099.20
  6. Step 6: Final answer
    x = 11,067.13

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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.