Home / 27,797.78-38,361.03-15,222.53

Finding the Fourth Proportional to 27,797.78, 38,361.03 and 15,222.53

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Solution

The fourth proportional to 27,797.78, 38,361.03 and 15,222.53 is: 21,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.78 : 38,361.03 = 15,222.53 : x
  2. Step 2: Convert to fraction form
    27,797.78/38,361.03 = 15,222.53/x
  3. Step 3: Cross multiply
    27,797.78x = 38,361.03 × 15,222.53
  4. Step 4: Simplify right side
    27,797.78x = 583,951,930.01
  5. Step 5: Solve for x
    x = 583,951,930.01/27,797.78
  6. Step 6: Final answer
    x = 21,007.14

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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.