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Finding the Fourth Proportional to 27,241.98, 40,862.97 and 8,521.62

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Solution

The fourth proportional to 27,241.98, 40,862.97 and 8,521.62 is: 12,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,241.98 : 40,862.97 = 8,521.62 : x
  2. Step 2: Convert to fraction form
    27,241.98/40,862.97 = 8,521.62/x
  3. Step 3: Cross multiply
    27,241.98x = 40,862.97 × 8,521.62
  4. Step 4: Simplify right side
    27,241.98x = 348,218,702.41
  5. Step 5: Solve for x
    x = 348,218,702.41/27,241.98
  6. Step 6: Final answer
    x = 12,782.43

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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.