Home / 21,327.91-29,367.97-16,837.27

Finding the Fourth Proportional to 21,327.91, 29,367.97 and 16,837.27

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Solution

The fourth proportional to 21,327.91, 29,367.97 and 16,837.27 is: 23,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.91 : 29,367.97 = 16,837.27 : x
  2. Step 2: Convert to fraction form
    21,327.91/29,367.97 = 16,837.27/x
  3. Step 3: Cross multiply
    21,327.91x = 29,367.97 × 16,837.27
  4. Step 4: Simplify right side
    21,327.91x = 494,476,440.24
  5. Step 5: Solve for x
    x = 494,476,440.24/21,327.91
  6. Step 6: Final answer
    x = 23,184.48

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1.5x scale

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.