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Finding the Fourth Proportional to 28,843.84, 43,268.10 and 8,067.34

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Solution

The fourth proportional to 28,843.84, 43,268.10 and 8,067.34 is: 12,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.84 : 43,268.10 = 8,067.34 : x
  2. Step 2: Convert to fraction form
    28,843.84/43,268.10 = 8,067.34/x
  3. Step 3: Cross multiply
    28,843.84x = 43,268.10 × 8,067.34
  4. Step 4: Simplify right side
    28,843.84x = 349,058,473.85
  5. Step 5: Solve for x
    x = 349,058,473.85/28,843.84
  6. Step 6: Final answer
    x = 12,101.66

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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.