Home / 65,505.68-98,176.28-28,021.66

Finding the Fourth Proportional to 65,505.68, 98,176.28 and 28,021.66

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Solution

The fourth proportional to 65,505.68, 98,176.28 and 28,021.66 is: 41,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505.68 : 98,176.28 = 28,021.66 : x
  2. Step 2: Convert to fraction form
    65,505.68/98,176.28 = 28,021.66/x
  3. Step 3: Cross multiply
    65,505.68x = 98,176.28 × 28,021.66
  4. Step 4: Simplify right side
    65,505.68x = 2,751,062,338.22
  5. Step 5: Solve for x
    x = 2,751,062,338.22/65,505.68
  6. Step 6: Final answer
    x = 41,997.31

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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.