Home / 21,564.28-32,336.50-11,183.32

Finding the Fourth Proportional to 21,564.28, 32,336.50 and 11,183.32

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Solution

The fourth proportional to 21,564.28, 32,336.50 and 11,183.32 is: 16,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.28 : 32,336.50 = 11,183.32 : x
  2. Step 2: Convert to fraction form
    21,564.28/32,336.50 = 11,183.32/x
  3. Step 3: Cross multiply
    21,564.28x = 32,336.50 × 11,183.32
  4. Step 4: Simplify right side
    21,564.28x = 361,629,427.18
  5. Step 5: Solve for x
    x = 361,629,427.18/21,564.28
  6. Step 6: Final answer
    x = 16,769.84

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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.