Home / 21,912.44-30,226.92-14,360

Finding the Fourth Proportional to 21,912.44, 30,226.92 and 14,360

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Solution

The fourth proportional to 21,912.44, 30,226.92 and 14,360 is: 19,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.44 : 30,226.92 = 14,360 : x
  2. Step 2: Convert to fraction form
    21,912.44/30,226.92 = 14,360/x
  3. Step 3: Cross multiply
    21,912.44x = 30,226.92 × 14,360
  4. Step 4: Simplify right side
    21,912.44x = 434,058,571.20
  5. Step 5: Solve for x
    x = 434,058,571.20/21,912.44
  6. Step 6: Final answer
    x = 19,808.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.