Home / 21,098.94-31,619.22-17,962.62

Finding the Fourth Proportional to 21,098.94, 31,619.22 and 17,962.62

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Solution

The fourth proportional to 21,098.94, 31,619.22 and 17,962.62 is: 26,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.94 : 31,619.22 = 17,962.62 : x
  2. Step 2: Convert to fraction form
    21,098.94/31,619.22 = 17,962.62/x
  3. Step 3: Cross multiply
    21,098.94x = 31,619.22 × 17,962.62
  4. Step 4: Simplify right side
    21,098.94x = 567,964,033.56
  5. Step 5: Solve for x
    x = 567,964,033.56/21,098.94
  6. Step 6: Final answer
    x = 26,919.08

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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.