Home / 18,380.22-27,606.78-15,746.72

Finding the Fourth Proportional to 18,380.22, 27,606.78 and 15,746.72

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Solution

The fourth proportional to 18,380.22, 27,606.78 and 15,746.72 is: 23,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.22 : 27,606.78 = 15,746.72 : x
  2. Step 2: Convert to fraction form
    18,380.22/27,606.78 = 15,746.72/x
  3. Step 3: Cross multiply
    18,380.22x = 27,606.78 × 15,746.72
  4. Step 4: Simplify right side
    18,380.22x = 434,716,096.73
  5. Step 5: Solve for x
    x = 434,716,096.73/18,380.22
  6. Step 6: Final answer
    x = 23,651.30

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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.