Home / 27,636.51-41,454.60-7,915.11

Finding the Fourth Proportional to 27,636.51, 41,454.60 and 7,915.11

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Solution

The fourth proportional to 27,636.51, 41,454.60 and 7,915.11 is: 11,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.51 : 41,454.60 = 7,915.11 : x
  2. Step 2: Convert to fraction form
    27,636.51/41,454.60 = 7,915.11/x
  3. Step 3: Cross multiply
    27,636.51x = 41,454.60 × 7,915.11
  4. Step 4: Simplify right side
    27,636.51x = 328,117,719.01
  5. Step 5: Solve for x
    x = 328,117,719.01/27,636.51
  6. Step 6: Final answer
    x = 11,872.62

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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.