Home / 27,939.66-41,915.36-8,216.57

Finding the Fourth Proportional to 27,939.66, 41,915.36 and 8,216.57

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Solution

The fourth proportional to 27,939.66, 41,915.36 and 8,216.57 is: 12,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.66 : 41,915.36 = 8,216.57 : x
  2. Step 2: Convert to fraction form
    27,939.66/41,915.36 = 8,216.57/x
  3. Step 3: Cross multiply
    27,939.66x = 41,915.36 × 8,216.57
  4. Step 4: Simplify right side
    27,939.66x = 344,400,300.48
  5. Step 5: Solve for x
    x = 344,400,300.48/27,939.66
  6. Step 6: Final answer
    x = 12,326.57

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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.