Home / 18,220.42-27,361.35-17,285.14

Finding the Fourth Proportional to 18,220.42, 27,361.35 and 17,285.14

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Solution

The fourth proportional to 18,220.42, 27,361.35 and 17,285.14 is: 25,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.42 : 27,361.35 = 17,285.14 : x
  2. Step 2: Convert to fraction form
    18,220.42/27,361.35 = 17,285.14/x
  3. Step 3: Cross multiply
    18,220.42x = 27,361.35 × 17,285.14
  4. Step 4: Simplify right side
    18,220.42x = 472,944,765.34
  5. Step 5: Solve for x
    x = 472,944,765.34/18,220.42
  6. Step 6: Final answer
    x = 25,956.85

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1.5x scale

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.