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Finding the Fourth Proportional to 27,375.54, 41,059.74 and 8,657.46

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Solution

The fourth proportional to 27,375.54, 41,059.74 and 8,657.46 is: 12,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.54 : 41,059.74 = 8,657.46 : x
  2. Step 2: Convert to fraction form
    27,375.54/41,059.74 = 8,657.46/x
  3. Step 3: Cross multiply
    27,375.54x = 41,059.74 × 8,657.46
  4. Step 4: Simplify right side
    27,375.54x = 355,473,056.66
  5. Step 5: Solve for x
    x = 355,473,056.66/27,375.54
  6. Step 6: Final answer
    x = 12,985.06

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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.