Home / 44,629.28-61,538.64-28,691.72

Finding the Fourth Proportional to 44,629.28, 61,538.64 and 28,691.72

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Solution

The fourth proportional to 44,629.28, 61,538.64 and 28,691.72 is: 39,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,629.28 : 61,538.64 = 28,691.72 : x
  2. Step 2: Convert to fraction form
    44,629.28/61,538.64 = 28,691.72/x
  3. Step 3: Cross multiply
    44,629.28x = 61,538.64 × 28,691.72
  4. Step 4: Simplify right side
    44,629.28x = 1,765,649,428.06
  5. Step 5: Solve for x
    x = 1,765,649,428.06/44,629.28
  6. Step 6: Final answer
    x = 39,562.58

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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.