Home / 20,015.82-27,622.02-13,974.84

Finding the Fourth Proportional to 20,015.82, 27,622.02 and 13,974.84

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Solution

The fourth proportional to 20,015.82, 27,622.02 and 13,974.84 is: 19,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.82 : 27,622.02 = 13,974.84 : x
  2. Step 2: Convert to fraction form
    20,015.82/27,622.02 = 13,974.84/x
  3. Step 3: Cross multiply
    20,015.82x = 27,622.02 × 13,974.84
  4. Step 4: Simplify right side
    20,015.82x = 386,013,309.98
  5. Step 5: Solve for x
    x = 386,013,309.98/20,015.82
  6. Step 6: Final answer
    x = 19,285.41

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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.