Home / 27,476.72-37,915.84-15,375.61

Finding the Fourth Proportional to 27,476.72, 37,915.84 and 15,375.61

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Solution

The fourth proportional to 27,476.72, 37,915.84 and 15,375.61 is: 21,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,476.72 : 37,915.84 = 15,375.61 : x
  2. Step 2: Convert to fraction form
    27,476.72/37,915.84 = 15,375.61/x
  3. Step 3: Cross multiply
    27,476.72x = 37,915.84 × 15,375.61
  4. Step 4: Simplify right side
    27,476.72x = 582,979,168.66
  5. Step 5: Solve for x
    x = 582,979,168.66/27,476.72
  6. Step 6: Final answer
    x = 21,217.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.