Home / 21,837.80-30,104.38-17,363.36

Finding the Fourth Proportional to 21,837.80, 30,104.38 and 17,363.36

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Solution

The fourth proportional to 21,837.80, 30,104.38 and 17,363.36 is: 23,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.80 : 30,104.38 = 17,363.36 : x
  2. Step 2: Convert to fraction form
    21,837.80/30,104.38 = 17,363.36/x
  3. Step 3: Cross multiply
    21,837.80x = 30,104.38 × 17,363.36
  4. Step 4: Simplify right side
    21,837.80x = 522,713,187.52
  5. Step 5: Solve for x
    x = 522,713,187.52/21,837.80
  6. Step 6: Final answer
    x = 23,936.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.