Home / 57,544.25-86,310.22-15,428.56

Finding the Fourth Proportional to 57,544.25, 86,310.22 and 15,428.56

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Solution

The fourth proportional to 57,544.25, 86,310.22 and 15,428.56 is: 23,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,544.25 : 86,310.22 = 15,428.56 : x
  2. Step 2: Convert to fraction form
    57,544.25/86,310.22 = 15,428.56/x
  3. Step 3: Cross multiply
    57,544.25x = 86,310.22 × 15,428.56
  4. Step 4: Simplify right side
    57,544.25x = 1,331,641,899.19
  5. Step 5: Solve for x
    x = 1,331,641,899.19/57,544.25
  6. Step 6: Final answer
    x = 23,141.18

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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.