Home / 19,028.28-28,555.32-6,716.28

Finding the Fourth Proportional to 19,028.28, 28,555.32 and 6,716.28

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Solution

The fourth proportional to 19,028.28, 28,555.32 and 6,716.28 is: 10,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.28 : 28,555.32 = 6,716.28 : x
  2. Step 2: Convert to fraction form
    19,028.28/28,555.32 = 6,716.28/x
  3. Step 3: Cross multiply
    19,028.28x = 28,555.32 × 6,716.28
  4. Step 4: Simplify right side
    19,028.28x = 191,785,524.61
  5. Step 5: Solve for x
    x = 191,785,524.61/19,028.28
  6. Step 6: Final answer
    x = 10,078.97

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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.