Home / 21,641.84-32,449.26-9,940.04

Finding the Fourth Proportional to 21,641.84, 32,449.26 and 9,940.04

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Solution

The fourth proportional to 21,641.84, 32,449.26 and 9,940.04 is: 14,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.84 : 32,449.26 = 9,940.04 : x
  2. Step 2: Convert to fraction form
    21,641.84/32,449.26 = 9,940.04/x
  3. Step 3: Cross multiply
    21,641.84x = 32,449.26 × 9,940.04
  4. Step 4: Simplify right side
    21,641.84x = 322,546,942.37
  5. Step 5: Solve for x
    x = 322,546,942.37/21,641.84
  6. Step 6: Final answer
    x = 14,903.86

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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.