Home / 28,789.11-43,174.01-11,015.63

Finding the Fourth Proportional to 28,789.11, 43,174.01 and 11,015.63

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Solution

The fourth proportional to 28,789.11, 43,174.01 and 11,015.63 is: 16,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.11 : 43,174.01 = 11,015.63 : x
  2. Step 2: Convert to fraction form
    28,789.11/43,174.01 = 11,015.63/x
  3. Step 3: Cross multiply
    28,789.11x = 43,174.01 × 11,015.63
  4. Step 4: Simplify right side
    28,789.11x = 475,588,648.83
  5. Step 5: Solve for x
    x = 475,588,648.83/28,789.11
  6. Step 6: Final answer
    x = 16,519.74

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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.