Home / 21,539.92-32,311.42-5,744.87

Finding the Fourth Proportional to 21,539.92, 32,311.42 and 5,744.87

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Solution

The fourth proportional to 21,539.92, 32,311.42 and 5,744.87 is: 8,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.92 : 32,311.42 = 5,744.87 : x
  2. Step 2: Convert to fraction form
    21,539.92/32,311.42 = 5,744.87/x
  3. Step 3: Cross multiply
    21,539.92x = 32,311.42 × 5,744.87
  4. Step 4: Simplify right side
    21,539.92x = 185,624,907.42
  5. Step 5: Solve for x
    x = 185,624,907.42/21,539.92
  6. Step 6: Final answer
    x = 8,617.72

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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.