Home / 21,839.00-30,063.48-16,163.06

Finding the Fourth Proportional to 21,839.00, 30,063.48 and 16,163.06

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Solution

The fourth proportional to 21,839.00, 30,063.48 and 16,163.06 is: 22,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.00 : 30,063.48 = 16,163.06 : x
  2. Step 2: Convert to fraction form
    21,839.00/30,063.48 = 16,163.06/x
  3. Step 3: Cross multiply
    21,839.00x = 30,063.48 × 16,163.06
  4. Step 4: Simplify right side
    21,839.00x = 485,917,680.73
  5. Step 5: Solve for x
    x = 485,917,680.73/21,839.00
  6. Step 6: Final answer
    x = 22,250.00

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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.