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Finding the Fourth Proportional to 19,011, 28,528.02 and 8,067

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Solution

The fourth proportional to 19,011, 28,528.02 and 8,067 is: 12,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011 : 28,528.02 = 8,067 : x
  2. Step 2: Convert to fraction form
    19,011/28,528.02 = 8,067/x
  3. Step 3: Cross multiply
    19,011x = 28,528.02 × 8,067
  4. Step 4: Simplify right side
    19,011x = 230,135,537.34
  5. Step 5: Solve for x
    x = 230,135,537.34/19,011
  6. Step 6: Final answer
    x = 12,105.39

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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.