Home / 21,975.11-32,960.04-5,745.14

Finding the Fourth Proportional to 21,975.11, 32,960.04 and 5,745.14

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Solution

The fourth proportional to 21,975.11, 32,960.04 and 5,745.14 is: 8,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.11 : 32,960.04 = 5,745.14 : x
  2. Step 2: Convert to fraction form
    21,975.11/32,960.04 = 5,745.14/x
  3. Step 3: Cross multiply
    21,975.11x = 32,960.04 × 5,745.14
  4. Step 4: Simplify right side
    21,975.11x = 189,359,879.41
  5. Step 5: Solve for x
    x = 189,359,879.41/21,975.11
  6. Step 6: Final answer
    x = 8,617.02

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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.