Home / 21,942.82-32,837.67-17,947.90

Finding the Fourth Proportional to 21,942.82, 32,837.67 and 17,947.90

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Solution

The fourth proportional to 21,942.82, 32,837.67 and 17,947.90 is: 26,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.82 : 32,837.67 = 17,947.90 : x
  2. Step 2: Convert to fraction form
    21,942.82/32,837.67 = 17,947.90/x
  3. Step 3: Cross multiply
    21,942.82x = 32,837.67 × 17,947.90
  4. Step 4: Simplify right side
    21,942.82x = 589,367,217.39
  5. Step 5: Solve for x
    x = 589,367,217.39/21,942.82
  6. Step 6: Final answer
    x = 26,859.23

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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.