Home / 18,238.52-27,310.32-15,622.80

Finding the Fourth Proportional to 18,238.52, 27,310.32 and 15,622.80

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Solution

The fourth proportional to 18,238.52, 27,310.32 and 15,622.80 is: 23,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.52 : 27,310.32 = 15,622.80 : x
  2. Step 2: Convert to fraction form
    18,238.52/27,310.32 = 15,622.80/x
  3. Step 3: Cross multiply
    18,238.52x = 27,310.32 × 15,622.80
  4. Step 4: Simplify right side
    18,238.52x = 426,663,667.30
  5. Step 5: Solve for x
    x = 426,663,667.30/18,238.52
  6. Step 6: Final answer
    x = 23,393.55

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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.