Home / 21,282.62-31,943.38-16,336.22

Finding the Fourth Proportional to 21,282.62, 31,943.38 and 16,336.22

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Solution

The fourth proportional to 21,282.62, 31,943.38 and 16,336.22 is: 24,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.62 : 31,943.38 = 16,336.22 : x
  2. Step 2: Convert to fraction form
    21,282.62/31,943.38 = 16,336.22/x
  3. Step 3: Cross multiply
    21,282.62x = 31,943.38 × 16,336.22
  4. Step 4: Simplify right side
    21,282.62x = 521,834,083.22
  5. Step 5: Solve for x
    x = 521,834,083.22/21,282.62
  6. Step 6: Final answer
    x = 24,519.26

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1.5x scale

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.