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Finding the Fourth Proportional to 27,956.58, 41,934.80 and 8,235.12

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Solution

The fourth proportional to 27,956.58, 41,934.80 and 8,235.12 is: 12,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.58 : 41,934.80 = 8,235.12 : x
  2. Step 2: Convert to fraction form
    27,956.58/41,934.80 = 8,235.12/x
  3. Step 3: Cross multiply
    27,956.58x = 41,934.80 × 8,235.12
  4. Step 4: Simplify right side
    27,956.58x = 345,338,110.18
  5. Step 5: Solve for x
    x = 345,338,110.18/27,956.58
  6. Step 6: Final answer
    x = 12,352.66

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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.