Home / 23,105.44-34,645.20-15,719.86

Finding the Fourth Proportional to 23,105.44, 34,645.20 and 15,719.86

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Solution

The fourth proportional to 23,105.44, 34,645.20 and 15,719.86 is: 23,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.44 : 34,645.20 = 15,719.86 : x
  2. Step 2: Convert to fraction form
    23,105.44/34,645.20 = 15,719.86/x
  3. Step 3: Cross multiply
    23,105.44x = 34,645.20 × 15,719.86
  4. Step 4: Simplify right side
    23,105.44x = 544,617,693.67
  5. Step 5: Solve for x
    x = 544,617,693.67/23,105.44
  6. Step 6: Final answer
    x = 23,570.97

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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.