Home / 19,028.45-28,542.68-7,338.94

Finding the Fourth Proportional to 19,028.45, 28,542.68 and 7,338.94

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Solution

The fourth proportional to 19,028.45, 28,542.68 and 7,338.94 is: 11,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.45 : 28,542.68 = 7,338.94 : x
  2. Step 2: Convert to fraction form
    19,028.45/28,542.68 = 7,338.94/x
  3. Step 3: Cross multiply
    19,028.45x = 28,542.68 × 7,338.94
  4. Step 4: Simplify right side
    19,028.45x = 209,472,935.43
  5. Step 5: Solve for x
    x = 209,472,935.43/19,028.45
  6. Step 6: Final answer
    x = 11,008.41

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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.