Home / 21,644.20-32,465.76-6,651.27

Finding the Fourth Proportional to 21,644.20, 32,465.76 and 6,651.27

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Solution

The fourth proportional to 21,644.20, 32,465.76 and 6,651.27 is: 9,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.20 : 32,465.76 = 6,651.27 : x
  2. Step 2: Convert to fraction form
    21,644.20/32,465.76 = 6,651.27/x
  3. Step 3: Cross multiply
    21,644.20x = 32,465.76 × 6,651.27
  4. Step 4: Simplify right side
    21,644.20x = 215,938,535.52
  5. Step 5: Solve for x
    x = 215,938,535.52/21,644.20
  6. Step 6: Final answer
    x = 9,976.74

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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.