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Finding the Fourth Proportional to 25,799.27, 38,686.08 and 8,266.82

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Solution

The fourth proportional to 25,799.27, 38,686.08 and 8,266.82 is: 12,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.27 : 38,686.08 = 8,266.82 : x
  2. Step 2: Convert to fraction form
    25,799.27/38,686.08 = 8,266.82/x
  3. Step 3: Cross multiply
    25,799.27x = 38,686.08 × 8,266.82
  4. Step 4: Simplify right side
    25,799.27x = 319,810,859.87
  5. Step 5: Solve for x
    x = 319,810,859.87/25,799.27
  6. Step 6: Final answer
    x = 12,396.12

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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.