Home / 27,636.78-41,454.96-7,915.38

Finding the Fourth Proportional to 27,636.78, 41,454.96 and 7,915.38

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Solution

The fourth proportional to 27,636.78, 41,454.96 and 7,915.38 is: 11,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.78 : 41,454.96 = 7,915.38 : x
  2. Step 2: Convert to fraction form
    27,636.78/41,454.96 = 7,915.38/x
  3. Step 3: Cross multiply
    27,636.78x = 41,454.96 × 7,915.38
  4. Step 4: Simplify right side
    27,636.78x = 328,131,761.28
  5. Step 5: Solve for x
    x = 328,131,761.28/27,636.78
  6. Step 6: Final answer
    x = 11,873.01

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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.