Home / 21,936.63-32,872.01-15,295.44

Finding the Fourth Proportional to 21,936.63, 32,872.01 and 15,295.44

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Solution

The fourth proportional to 21,936.63, 32,872.01 and 15,295.44 is: 22,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.63 : 32,872.01 = 15,295.44 : x
  2. Step 2: Convert to fraction form
    21,936.63/32,872.01 = 15,295.44/x
  3. Step 3: Cross multiply
    21,936.63x = 32,872.01 × 15,295.44
  4. Step 4: Simplify right side
    21,936.63x = 502,791,780.16
  5. Step 5: Solve for x
    x = 502,791,780.16/21,936.63
  6. Step 6: Final answer
    x = 22,920.19

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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.