Home / 18,344.40-27,443.70-15,906.30

Finding the Fourth Proportional to 18,344.40, 27,443.70 and 15,906.30

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Solution

The fourth proportional to 18,344.40, 27,443.70 and 15,906.30 is: 23,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.40 : 27,443.70 = 15,906.30 : x
  2. Step 2: Convert to fraction form
    18,344.40/27,443.70 = 15,906.30/x
  3. Step 3: Cross multiply
    18,344.40x = 27,443.70 × 15,906.30
  4. Step 4: Simplify right side
    18,344.40x = 436,527,725.31
  5. Step 5: Solve for x
    x = 436,527,725.31/18,344.40
  6. Step 6: Final answer
    x = 23,796.24

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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.