Home / 21,784.92-32,678.82-9,297.96

Finding the Fourth Proportional to 21,784.92, 32,678.82 and 9,297.96

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Solution

The fourth proportional to 21,784.92, 32,678.82 and 9,297.96 is: 13,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784.92 : 32,678.82 = 9,297.96 : x
  2. Step 2: Convert to fraction form
    21,784.92/32,678.82 = 9,297.96/x
  3. Step 3: Cross multiply
    21,784.92x = 32,678.82 × 9,297.96
  4. Step 4: Simplify right side
    21,784.92x = 303,846,361.21
  5. Step 5: Solve for x
    x = 303,846,361.21/21,784.92
  6. Step 6: Final answer
    x = 13,947.55

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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.