Home / 26,798.60-40,194.40-7,078.64

Finding the Fourth Proportional to 26,798.60, 40,194.40 and 7,078.64

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Solution

The fourth proportional to 26,798.60, 40,194.40 and 7,078.64 is: 10,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,798.60 : 40,194.40 = 7,078.64 : x
  2. Step 2: Convert to fraction form
    26,798.60/40,194.40 = 7,078.64/x
  3. Step 3: Cross multiply
    26,798.60x = 40,194.40 × 7,078.64
  4. Step 4: Simplify right side
    26,798.60x = 284,521,687.62
  5. Step 5: Solve for x
    x = 284,521,687.62/26,798.60
  6. Step 6: Final answer
    x = 10,617.04

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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.