Home / 18,286.55-27,440.78-16,799.39

Finding the Fourth Proportional to 18,286.55, 27,440.78 and 16,799.39

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Solution

The fourth proportional to 18,286.55, 27,440.78 and 16,799.39 is: 25,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.55 : 27,440.78 = 16,799.39 : x
  2. Step 2: Convert to fraction form
    18,286.55/27,440.78 = 16,799.39/x
  3. Step 3: Cross multiply
    18,286.55x = 27,440.78 × 16,799.39
  4. Step 4: Simplify right side
    18,286.55x = 460,988,365.12
  5. Step 5: Solve for x
    x = 460,988,365.12/18,286.55
  6. Step 6: Final answer
    x = 25,209.15

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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.