Home / 21,908.88-32,896.12-17,513.36

Finding the Fourth Proportional to 21,908.88, 32,896.12 and 17,513.36

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Solution

The fourth proportional to 21,908.88, 32,896.12 and 17,513.36 is: 26,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908.88 : 32,896.12 = 17,513.36 : x
  2. Step 2: Convert to fraction form
    21,908.88/32,896.12 = 17,513.36/x
  3. Step 3: Cross multiply
    21,908.88x = 32,896.12 × 17,513.36
  4. Step 4: Simplify right side
    21,908.88x = 576,121,592.16
  5. Step 5: Solve for x
    x = 576,121,592.16/21,908.88
  6. Step 6: Final answer
    x = 26,296.26

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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.