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Finding the Fourth Proportional to 27,886.88, 41,815.92 and 10,353.44

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Solution

The fourth proportional to 27,886.88, 41,815.92 and 10,353.44 is: 15,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.88 : 41,815.92 = 10,353.44 : x
  2. Step 2: Convert to fraction form
    27,886.88/41,815.92 = 10,353.44/x
  3. Step 3: Cross multiply
    27,886.88x = 41,815.92 × 10,353.44
  4. Step 4: Simplify right side
    27,886.88x = 432,938,618.76
  5. Step 5: Solve for x
    x = 432,938,618.76/27,886.88
  6. Step 6: Final answer
    x = 15,524.81

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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.