Home / 27,965.61-41,893.02-18,111.78

Finding the Fourth Proportional to 27,965.61, 41,893.02 and 18,111.78

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Solution

The fourth proportional to 27,965.61, 41,893.02 and 18,111.78 is: 27,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.61 : 41,893.02 = 18,111.78 : x
  2. Step 2: Convert to fraction form
    27,965.61/41,893.02 = 18,111.78/x
  3. Step 3: Cross multiply
    27,965.61x = 41,893.02 × 18,111.78
  4. Step 4: Simplify right side
    27,965.61x = 758,757,161.78
  5. Step 5: Solve for x
    x = 758,757,161.78/27,965.61
  6. Step 6: Final answer
    x = 27,131.79

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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.