Home / 27,508.87-41,263.31-7,787.60

Finding the Fourth Proportional to 27,508.87, 41,263.31 and 7,787.60

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Solution

The fourth proportional to 27,508.87, 41,263.31 and 7,787.60 is: 11,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.87 : 41,263.31 = 7,787.60 : x
  2. Step 2: Convert to fraction form
    27,508.87/41,263.31 = 7,787.60/x
  3. Step 3: Cross multiply
    27,508.87x = 41,263.31 × 7,787.60
  4. Step 4: Simplify right side
    27,508.87x = 321,341,907.70
  5. Step 5: Solve for x
    x = 321,341,907.70/27,508.87
  6. Step 6: Final answer
    x = 11,681.39

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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.