Home / 21,998.82-30,350.43-14,449.25

Finding the Fourth Proportional to 21,998.82, 30,350.43 and 14,449.25

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Solution

The fourth proportional to 21,998.82, 30,350.43 and 14,449.25 is: 19,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.82 : 30,350.43 = 14,449.25 : x
  2. Step 2: Convert to fraction form
    21,998.82/30,350.43 = 14,449.25/x
  3. Step 3: Cross multiply
    21,998.82x = 30,350.43 × 14,449.25
  4. Step 4: Simplify right side
    21,998.82x = 438,541,026.55
  5. Step 5: Solve for x
    x = 438,541,026.55/21,998.82
  6. Step 6: Final answer
    x = 19,934.75

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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.