Home / 19,268.70-28,904.97-5,228.96

Finding the Fourth Proportional to 19,268.70, 28,904.97 and 5,228.96

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Solution

The fourth proportional to 19,268.70, 28,904.97 and 5,228.96 is: 7,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.70 : 28,904.97 = 5,228.96 : x
  2. Step 2: Convert to fraction form
    19,268.70/28,904.97 = 5,228.96/x
  3. Step 3: Cross multiply
    19,268.70x = 28,904.97 × 5,228.96
  4. Step 4: Simplify right side
    19,268.70x = 151,142,787.41
  5. Step 5: Solve for x
    x = 151,142,787.41/19,268.70
  6. Step 6: Final answer
    x = 7,843.95

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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.