Home / 28,789.35-43,174.39-11,015.88

Finding the Fourth Proportional to 28,789.35, 43,174.39 and 11,015.88

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Solution

The fourth proportional to 28,789.35, 43,174.39 and 11,015.88 is: 16,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.35 : 43,174.39 = 11,015.88 : x
  2. Step 2: Convert to fraction form
    28,789.35/43,174.39 = 11,015.88/x
  3. Step 3: Cross multiply
    28,789.35x = 43,174.39 × 11,015.88
  4. Step 4: Simplify right side
    28,789.35x = 475,603,899.31
  5. Step 5: Solve for x
    x = 475,603,899.31/28,789.35
  6. Step 6: Final answer
    x = 16,520.13

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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.