Home / 18,238.68-27,359.24-5,759.21

Finding the Fourth Proportional to 18,238.68, 27,359.24 and 5,759.21

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Solution

The fourth proportional to 18,238.68, 27,359.24 and 5,759.21 is: 8,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.68 : 27,359.24 = 5,759.21 : x
  2. Step 2: Convert to fraction form
    18,238.68/27,359.24 = 5,759.21/x
  3. Step 3: Cross multiply
    18,238.68x = 27,359.24 × 5,759.21
  4. Step 4: Simplify right side
    18,238.68x = 157,567,648.20
  5. Step 5: Solve for x
    x = 157,567,648.20/18,238.68
  6. Step 6: Final answer
    x = 8,639.20

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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.