Home / 21,834.56-32,751.84-5,418.56

Finding the Fourth Proportional to 21,834.56, 32,751.84 and 5,418.56

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Solution

The fourth proportional to 21,834.56, 32,751.84 and 5,418.56 is: 8,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.56 : 32,751.84 = 5,418.56 : x
  2. Step 2: Convert to fraction form
    21,834.56/32,751.84 = 5,418.56/x
  3. Step 3: Cross multiply
    21,834.56x = 32,751.84 × 5,418.56
  4. Step 4: Simplify right side
    21,834.56x = 177,467,810.15
  5. Step 5: Solve for x
    x = 177,467,810.15/21,834.56
  6. Step 6: Final answer
    x = 8,127.84

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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.