Home / 36,721.44-55,072.32-15,940

Finding the Fourth Proportional to 36,721.44, 55,072.32 and 15,940

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Solution

The fourth proportional to 36,721.44, 55,072.32 and 15,940 is: 23,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.44 : 55,072.32 = 15,940 : x
  2. Step 2: Convert to fraction form
    36,721.44/55,072.32 = 15,940/x
  3. Step 3: Cross multiply
    36,721.44x = 55,072.32 × 15,940
  4. Step 4: Simplify right side
    36,721.44x = 877,852,780.80
  5. Step 5: Solve for x
    x = 877,852,780.80/36,721.44
  6. Step 6: Final answer
    x = 23,905.73

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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.