Home / 21,640.59-32,465.73-6,850.39

Finding the Fourth Proportional to 21,640.59, 32,465.73 and 6,850.39

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Solution

The fourth proportional to 21,640.59, 32,465.73 and 6,850.39 is: 10,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.59 : 32,465.73 = 6,850.39 : x
  2. Step 2: Convert to fraction form
    21,640.59/32,465.73 = 6,850.39/x
  3. Step 3: Cross multiply
    21,640.59x = 32,465.73 × 6,850.39
  4. Step 4: Simplify right side
    21,640.59x = 222,402,912.13
  5. Step 5: Solve for x
    x = 222,402,912.13/21,640.59
  6. Step 6: Final answer
    x = 10,277.12

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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.