Home / 18,028.05-27,041.47-8,160.43

Finding the Fourth Proportional to 18,028.05, 27,041.47 and 8,160.43

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Solution

The fourth proportional to 18,028.05, 27,041.47 and 8,160.43 is: 12,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.05 : 27,041.47 = 8,160.43 : x
  2. Step 2: Convert to fraction form
    18,028.05/27,041.47 = 8,160.43/x
  3. Step 3: Cross multiply
    18,028.05x = 27,041.47 × 8,160.43
  4. Step 4: Simplify right side
    18,028.05x = 220,669,935.03
  5. Step 5: Solve for x
    x = 220,669,935.03/18,028.05
  6. Step 6: Final answer
    x = 12,240.37

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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.