Home / 27,872.53-41,820.51-17,351.36

Finding the Fourth Proportional to 27,872.53, 41,820.51 and 17,351.36

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Solution

The fourth proportional to 27,872.53, 41,820.51 and 17,351.36 is: 26,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.53 : 41,820.51 = 17,351.36 : x
  2. Step 2: Convert to fraction form
    27,872.53/41,820.51 = 17,351.36/x
  3. Step 3: Cross multiply
    27,872.53x = 41,820.51 × 17,351.36
  4. Step 4: Simplify right side
    27,872.53x = 725,642,724.39
  5. Step 5: Solve for x
    x = 725,642,724.39/27,872.53
  6. Step 6: Final answer
    x = 26,034.33

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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.