Home / 19,026.87-28,540.31-5,878.95

Finding the Fourth Proportional to 19,026.87, 28,540.31 and 5,878.95

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Solution

The fourth proportional to 19,026.87, 28,540.31 and 5,878.95 is: 8,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.87 : 28,540.31 = 5,878.95 : x
  2. Step 2: Convert to fraction form
    19,026.87/28,540.31 = 5,878.95/x
  3. Step 3: Cross multiply
    19,026.87x = 28,540.31 × 5,878.95
  4. Step 4: Simplify right side
    19,026.87x = 167,787,026.08
  5. Step 5: Solve for x
    x = 167,787,026.08/19,026.87
  6. Step 6: Final answer
    x = 8,818.43

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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.