Home / 21,691.14-32,447.61-17,317.14

Finding the Fourth Proportional to 21,691.14, 32,447.61 and 17,317.14

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Solution

The fourth proportional to 21,691.14, 32,447.61 and 17,317.14 is: 25,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691.14 : 32,447.61 = 17,317.14 : x
  2. Step 2: Convert to fraction form
    21,691.14/32,447.61 = 17,317.14/x
  3. Step 3: Cross multiply
    21,691.14x = 32,447.61 × 17,317.14
  4. Step 4: Simplify right side
    21,691.14x = 561,899,805.04
  5. Step 5: Solve for x
    x = 561,899,805.04/21,691.14
  6. Step 6: Final answer
    x = 25,904.58

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1.5x scale

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.