Home / 18,283.32-27,381.24-17,364.78

Finding the Fourth Proportional to 18,283.32, 27,381.24 and 17,364.78

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Solution

The fourth proportional to 18,283.32, 27,381.24 and 17,364.78 is: 26,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.32 : 27,381.24 = 17,364.78 : x
  2. Step 2: Convert to fraction form
    18,283.32/27,381.24 = 17,364.78/x
  3. Step 3: Cross multiply
    18,283.32x = 27,381.24 × 17,364.78
  4. Step 4: Simplify right side
    18,283.32x = 475,469,208.73
  5. Step 5: Solve for x
    x = 475,469,208.73/18,283.32
  6. Step 6: Final answer
    x = 26,005.63

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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.