Home / 18,028.44-27,042.63-6,785.88

Finding the Fourth Proportional to 18,028.44, 27,042.63 and 6,785.88

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Solution

The fourth proportional to 18,028.44, 27,042.63 and 6,785.88 is: 10,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.44 : 27,042.63 = 6,785.88 : x
  2. Step 2: Convert to fraction form
    18,028.44/27,042.63 = 6,785.88/x
  3. Step 3: Cross multiply
    18,028.44x = 27,042.63 × 6,785.88
  4. Step 4: Simplify right side
    18,028.44x = 183,508,042.06
  5. Step 5: Solve for x
    x = 183,508,042.06/18,028.44
  6. Step 6: Final answer
    x = 10,178.81

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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.