Home / 21,690.44-29,957.41-14,604.56

Finding the Fourth Proportional to 21,690.44, 29,957.41 and 14,604.56

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Solution

The fourth proportional to 21,690.44, 29,957.41 and 14,604.56 is: 20,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690.44 : 29,957.41 = 14,604.56 : x
  2. Step 2: Convert to fraction form
    21,690.44/29,957.41 = 14,604.56/x
  3. Step 3: Cross multiply
    21,690.44x = 29,957.41 × 14,604.56
  4. Step 4: Simplify right side
    21,690.44x = 437,514,791.79
  5. Step 5: Solve for x
    x = 437,514,791.79/21,690.44
  6. Step 6: Final answer
    x = 20,170.86

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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.