Home / 38,243.39-57,345.38-17,165.36

Finding the Fourth Proportional to 38,243.39, 57,345.38 and 17,165.36

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Solution

The fourth proportional to 38,243.39, 57,345.38 and 17,165.36 is: 25,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.39 : 57,345.38 = 17,165.36 : x
  2. Step 2: Convert to fraction form
    38,243.39/57,345.38 = 17,165.36/x
  3. Step 3: Cross multiply
    38,243.39x = 57,345.38 × 17,165.36
  4. Step 4: Simplify right side
    38,243.39x = 984,353,891.38
  5. Step 5: Solve for x
    x = 984,353,891.38/38,243.39
  6. Step 6: Final answer
    x = 25,739.19

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1.5x scale

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.