Home / 21,906.18-32,809.86-15,361.65

Finding the Fourth Proportional to 21,906.18, 32,809.86 and 15,361.65

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Solution

The fourth proportional to 21,906.18, 32,809.86 and 15,361.65 is: 23,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.18 : 32,809.86 = 15,361.65 : x
  2. Step 2: Convert to fraction form
    21,906.18/32,809.86 = 15,361.65/x
  3. Step 3: Cross multiply
    21,906.18x = 32,809.86 × 15,361.65
  4. Step 4: Simplify right side
    21,906.18x = 504,013,585.87
  5. Step 5: Solve for x
    x = 504,013,585.87/21,906.18
  6. Step 6: Final answer
    x = 23,007.83

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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.