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Finding the Fourth Proportional to 26,915, 40,373.94 and 8,448.44

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Solution

The fourth proportional to 26,915, 40,373.94 and 8,448.44 is: 12,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915 : 40,373.94 = 8,448.44 : x
  2. Step 2: Convert to fraction form
    26,915/40,373.94 = 8,448.44/x
  3. Step 3: Cross multiply
    26,915x = 40,373.94 × 8,448.44
  4. Step 4: Simplify right side
    26,915x = 341,096,809.65
  5. Step 5: Solve for x
    x = 341,096,809.65/26,915
  6. Step 6: Final answer
    x = 12,673.11

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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.