Home / 21,340.26-32,012.10-5,757.66

Finding the Fourth Proportional to 21,340.26, 32,012.10 and 5,757.66

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Solution

The fourth proportional to 21,340.26, 32,012.10 and 5,757.66 is: 8,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.26 : 32,012.10 = 5,757.66 : x
  2. Step 2: Convert to fraction form
    21,340.26/32,012.10 = 5,757.66/x
  3. Step 3: Cross multiply
    21,340.26x = 32,012.10 × 5,757.66
  4. Step 4: Simplify right side
    21,340.26x = 184,314,787.69
  5. Step 5: Solve for x
    x = 184,314,787.69/21,340.26
  6. Step 6: Final answer
    x = 8,636.95

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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.