Home / 28,996.88-43,464.22-18,997.85

Finding the Fourth Proportional to 28,996.88, 43,464.22 and 18,997.85

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Solution

The fourth proportional to 28,996.88, 43,464.22 and 18,997.85 is: 28,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.88 : 43,464.22 = 18,997.85 : x
  2. Step 2: Convert to fraction form
    28,996.88/43,464.22 = 18,997.85/x
  3. Step 3: Cross multiply
    28,996.88x = 43,464.22 × 18,997.85
  4. Step 4: Simplify right side
    28,996.88x = 825,726,467.11
  5. Step 5: Solve for x
    x = 825,726,467.11/28,996.88
  6. Step 6: Final answer
    x = 28,476.40

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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.