Home / 28,793.17-43,109.09-21,751.03

Finding the Fourth Proportional to 28,793.17, 43,109.09 and 21,751.03

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Solution

The fourth proportional to 28,793.17, 43,109.09 and 21,751.03 is: 32,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.17 : 43,109.09 = 21,751.03 : x
  2. Step 2: Convert to fraction form
    28,793.17/43,109.09 = 21,751.03/x
  3. Step 3: Cross multiply
    28,793.17x = 43,109.09 × 21,751.03
  4. Step 4: Simplify right side
    28,793.17x = 937,667,109.86
  5. Step 5: Solve for x
    x = 937,667,109.86/28,793.17
  6. Step 6: Final answer
    x = 32,565.61

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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.