Home / 23,234.32-34,765.36-13,879.42

Finding the Fourth Proportional to 23,234.32, 34,765.36 and 13,879.42

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Solution

The fourth proportional to 23,234.32, 34,765.36 and 13,879.42 is: 20,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,234.32 : 34,765.36 = 13,879.42 : x
  2. Step 2: Convert to fraction form
    23,234.32/34,765.36 = 13,879.42/x
  3. Step 3: Cross multiply
    23,234.32x = 34,765.36 × 13,879.42
  4. Step 4: Simplify right side
    23,234.32x = 482,523,032.89
  5. Step 5: Solve for x
    x = 482,523,032.89/23,234.32
  6. Step 6: Final answer
    x = 20,767.68

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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.