Home / 21,836.69-32,754.77-15,398.75

Finding the Fourth Proportional to 21,836.69, 32,754.77 and 15,398.75

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Solution

The fourth proportional to 21,836.69, 32,754.77 and 15,398.75 is: 23,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.69 : 32,754.77 = 15,398.75 : x
  2. Step 2: Convert to fraction form
    21,836.69/32,754.77 = 15,398.75/x
  3. Step 3: Cross multiply
    21,836.69x = 32,754.77 × 15,398.75
  4. Step 4: Simplify right side
    21,836.69x = 504,382,577.18
  5. Step 5: Solve for x
    x = 504,382,577.18/21,836.69
  6. Step 6: Final answer
    x = 23,097.94

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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.