Home / 21,672.54-29,932.79-14,586.66

Finding the Fourth Proportional to 21,672.54, 29,932.79 and 14,586.66

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Solution

The fourth proportional to 21,672.54, 29,932.79 and 14,586.66 is: 20,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672.54 : 29,932.79 = 14,586.66 : x
  2. Step 2: Convert to fraction form
    21,672.54/29,932.79 = 14,586.66/x
  3. Step 3: Cross multiply
    21,672.54x = 29,932.79 × 14,586.66
  4. Step 4: Simplify right side
    21,672.54x = 436,619,357.65
  5. Step 5: Solve for x
    x = 436,619,357.65/21,672.54
  6. Step 6: Final answer
    x = 20,146.20

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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.