Home / 22,731.49-31,367.32-16,766.43

Finding the Fourth Proportional to 22,731.49, 31,367.32 and 16,766.43

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Solution

The fourth proportional to 22,731.49, 31,367.32 and 16,766.43 is: 23,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.49 : 31,367.32 = 16,766.43 : x
  2. Step 2: Convert to fraction form
    22,731.49/31,367.32 = 16,766.43/x
  3. Step 3: Cross multiply
    22,731.49x = 31,367.32 × 16,766.43
  4. Step 4: Simplify right side
    22,731.49x = 525,917,975.07
  5. Step 5: Solve for x
    x = 525,917,975.07/22,731.49
  6. Step 6: Final answer
    x = 23,136.10

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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.