Home / 28,151.73-38,850.62-15,576.48

Finding the Fourth Proportional to 28,151.73, 38,850.62 and 15,576.48

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Solution

The fourth proportional to 28,151.73, 38,850.62 and 15,576.48 is: 21,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.73 : 38,850.62 = 15,576.48 : x
  2. Step 2: Convert to fraction form
    28,151.73/38,850.62 = 15,576.48/x
  3. Step 3: Cross multiply
    28,151.73x = 38,850.62 × 15,576.48
  4. Step 4: Simplify right side
    28,151.73x = 605,155,827.54
  5. Step 5: Solve for x
    x = 605,155,827.54/28,151.73
  6. Step 6: Final answer
    x = 21,496.22

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1.5x scale

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.