Home / 21,935.52-32,896.62-18,426.60

Finding the Fourth Proportional to 21,935.52, 32,896.62 and 18,426.60

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Solution

The fourth proportional to 21,935.52, 32,896.62 and 18,426.60 is: 27,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.52 : 32,896.62 = 18,426.60 : x
  2. Step 2: Convert to fraction form
    21,935.52/32,896.62 = 18,426.60/x
  3. Step 3: Cross multiply
    21,935.52x = 32,896.62 × 18,426.60
  4. Step 4: Simplify right side
    21,935.52x = 606,172,858.09
  5. Step 5: Solve for x
    x = 606,172,858.09/21,935.52
  6. Step 6: Final answer
    x = 27,634.31

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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.