Home / 28,760.07-43,100.25-21,734.34

Finding the Fourth Proportional to 28,760.07, 43,100.25 and 21,734.34

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Solution

The fourth proportional to 28,760.07, 43,100.25 and 21,734.34 is: 32,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.07 : 43,100.25 = 21,734.34 : x
  2. Step 2: Convert to fraction form
    28,760.07/43,100.25 = 21,734.34/x
  3. Step 3: Cross multiply
    28,760.07x = 43,100.25 × 21,734.34
  4. Step 4: Simplify right side
    28,760.07x = 936,755,487.59
  5. Step 5: Solve for x
    x = 936,755,487.59/28,760.07
  6. Step 6: Final answer
    x = 32,571.39

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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.