Home / 27,939.79-41,915.55-8,216.69

Finding the Fourth Proportional to 27,939.79, 41,915.55 and 8,216.69

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Solution

The fourth proportional to 27,939.79, 41,915.55 and 8,216.69 is: 12,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.79 : 41,915.55 = 8,216.69 : x
  2. Step 2: Convert to fraction form
    27,939.79/41,915.55 = 8,216.69/x
  3. Step 3: Cross multiply
    27,939.79x = 41,915.55 × 8,216.69
  4. Step 4: Simplify right side
    27,939.79x = 344,407,080.53
  5. Step 5: Solve for x
    x = 344,407,080.53/27,939.79
  6. Step 6: Final answer
    x = 12,326.76

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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.