Home / 17,021-25,531.32-6,640.04

Finding the Fourth Proportional to 17,021, 25,531.32 and 6,640.04

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Solution

The fourth proportional to 17,021, 25,531.32 and 6,640.04 is: 9,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021 : 25,531.32 = 6,640.04 : x
  2. Step 2: Convert to fraction form
    17,021/25,531.32 = 6,640.04/x
  3. Step 3: Cross multiply
    17,021x = 25,531.32 × 6,640.04
  4. Step 4: Simplify right side
    17,021x = 169,528,986.05
  5. Step 5: Solve for x
    x = 169,528,986.05/17,021
  6. Step 6: Final answer
    x = 9,959.99

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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.