Home / 65,505.41-98,175.89-28,021.43

Finding the Fourth Proportional to 65,505.41, 98,175.89 and 28,021.43

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Solution

The fourth proportional to 65,505.41, 98,175.89 and 28,021.43 is: 41,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505.41 : 98,175.89 = 28,021.43 : x
  2. Step 2: Convert to fraction form
    65,505.41/98,175.89 = 28,021.43/x
  3. Step 3: Cross multiply
    65,505.41x = 98,175.89 × 28,021.43
  4. Step 4: Simplify right side
    65,505.41x = 2,751,028,198.34
  5. Step 5: Solve for x
    x = 2,751,028,198.34/65,505.41
  6. Step 6: Final answer
    x = 41,996.96

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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.