Home / 29,772.20-41,094.06-20,821.97

Finding the Fourth Proportional to 29,772.20, 41,094.06 and 20,821.97

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Solution

The fourth proportional to 29,772.20, 41,094.06 and 20,821.97 is: 28,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,772.20 : 41,094.06 = 20,821.97 : x
  2. Step 2: Convert to fraction form
    29,772.20/41,094.06 = 20,821.97/x
  3. Step 3: Cross multiply
    29,772.20x = 41,094.06 × 20,821.97
  4. Step 4: Simplify right side
    29,772.20x = 855,659,284.50
  5. Step 5: Solve for x
    x = 855,659,284.50/29,772.20
  6. Step 6: Final answer
    x = 28,740.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.