Home / 27,915.46-41,879.34-15,453.66

Finding the Fourth Proportional to 27,915.46, 41,879.34 and 15,453.66

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Solution

The fourth proportional to 27,915.46, 41,879.34 and 15,453.66 is: 23,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.46 : 41,879.34 = 15,453.66 : x
  2. Step 2: Convert to fraction form
    27,915.46/41,879.34 = 15,453.66/x
  3. Step 3: Cross multiply
    27,915.46x = 41,879.34 × 15,453.66
  4. Step 4: Simplify right side
    27,915.46x = 647,189,081.38
  5. Step 5: Solve for x
    x = 647,189,081.38/27,915.46
  6. Step 6: Final answer
    x = 23,183.89

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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.