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Finding the Fourth Proportional to 27,065.53, 40,583.41 and 8,340.41

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Solution

The fourth proportional to 27,065.53, 40,583.41 and 8,340.41 is: 12,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.53 : 40,583.41 = 8,340.41 : x
  2. Step 2: Convert to fraction form
    27,065.53/40,583.41 = 8,340.41/x
  3. Step 3: Cross multiply
    27,065.53x = 40,583.41 × 8,340.41
  4. Step 4: Simplify right side
    27,065.53x = 338,482,278.60
  5. Step 5: Solve for x
    x = 338,482,278.60/27,065.53
  6. Step 6: Final answer
    x = 12,506.03

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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.