Home / 18,128.22-27,202.05-16,806.30

Finding the Fourth Proportional to 18,128.22, 27,202.05 and 16,806.30

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Solution

The fourth proportional to 18,128.22, 27,202.05 and 16,806.30 is: 25,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.22 : 27,202.05 = 16,806.30 : x
  2. Step 2: Convert to fraction form
    18,128.22/27,202.05 = 16,806.30/x
  3. Step 3: Cross multiply
    18,128.22x = 27,202.05 × 16,806.30
  4. Step 4: Simplify right side
    18,128.22x = 457,165,812.92
  5. Step 5: Solve for x
    x = 457,165,812.92/18,128.22
  6. Step 6: Final answer
    x = 25,218.46

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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.