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Finding the Fourth Proportional to 27,641.88, 41,458.59 and 8,919.36

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Solution

The fourth proportional to 27,641.88, 41,458.59 and 8,919.36 is: 13,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.88 : 41,458.59 = 8,919.36 : x
  2. Step 2: Convert to fraction form
    27,641.88/41,458.59 = 8,919.36/x
  3. Step 3: Cross multiply
    27,641.88x = 41,458.59 × 8,919.36
  4. Step 4: Simplify right side
    27,641.88x = 369,784,089.30
  5. Step 5: Solve for x
    x = 369,784,089.30/27,641.88
  6. Step 6: Final answer
    x = 13,377.68

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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.