Home / 15,912.22-23,865.25-15,121.94

Finding the Fourth Proportional to 15,912.22, 23,865.25 and 15,121.94

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Solution

The fourth proportional to 15,912.22, 23,865.25 and 15,121.94 is: 22,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.22 : 23,865.25 = 15,121.94 : x
  2. Step 2: Convert to fraction form
    15,912.22/23,865.25 = 15,121.94/x
  3. Step 3: Cross multiply
    15,912.22x = 23,865.25 × 15,121.94
  4. Step 4: Simplify right side
    15,912.22x = 360,888,721.45
  5. Step 5: Solve for x
    x = 360,888,721.45/15,912.22
  6. Step 6: Final answer
    x = 22,679.98

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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.