Home / 40,287.39-60,421.97-15,318.54

Finding the Fourth Proportional to 40,287.39, 60,421.97 and 15,318.54

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Solution

The fourth proportional to 40,287.39, 60,421.97 and 15,318.54 is: 22,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.39 : 60,421.97 = 15,318.54 : x
  2. Step 2: Convert to fraction form
    40,287.39/60,421.97 = 15,318.54/x
  3. Step 3: Cross multiply
    40,287.39x = 60,421.97 × 15,318.54
  4. Step 4: Simplify right side
    40,287.39x = 925,576,062.21
  5. Step 5: Solve for x
    x = 925,576,062.21/40,287.39
  6. Step 6: Final answer
    x = 22,974.34

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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.