Home / 26,919.74-40,388.60-11,924.82

Finding the Fourth Proportional to 26,919.74, 40,388.60 and 11,924.82

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Solution

The fourth proportional to 26,919.74, 40,388.60 and 11,924.82 is: 17,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.74 : 40,388.60 = 11,924.82 : x
  2. Step 2: Convert to fraction form
    26,919.74/40,388.60 = 11,924.82/x
  3. Step 3: Cross multiply
    26,919.74x = 40,388.60 × 11,924.82
  4. Step 4: Simplify right side
    26,919.74x = 481,626,923.29
  5. Step 5: Solve for x
    x = 481,626,923.29/26,919.74
  6. Step 6: Final answer
    x = 17,891.22

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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.