Home / 28,936.93-43,335.30-20,027.29

Finding the Fourth Proportional to 28,936.93, 43,335.30 and 20,027.29

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Solution

The fourth proportional to 28,936.93, 43,335.30 and 20,027.29 is: 29,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.93 : 43,335.30 = 20,027.29 : x
  2. Step 2: Convert to fraction form
    28,936.93/43,335.30 = 20,027.29/x
  3. Step 3: Cross multiply
    28,936.93x = 43,335.30 × 20,027.29
  4. Step 4: Simplify right side
    28,936.93x = 867,888,620.34
  5. Step 5: Solve for x
    x = 867,888,620.34/28,936.93
  6. Step 6: Final answer
    x = 29,992.42

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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.