Home / 26,617.60-39,894.40-11,027.20

Finding the Fourth Proportional to 26,617.60, 39,894.40 and 11,027.20

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Solution

The fourth proportional to 26,617.60, 39,894.40 and 11,027.20 is: 16,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.60 : 39,894.40 = 11,027.20 : x
  2. Step 2: Convert to fraction form
    26,617.60/39,894.40 = 11,027.20/x
  3. Step 3: Cross multiply
    26,617.60x = 39,894.40 × 11,027.20
  4. Step 4: Simplify right side
    26,617.60x = 439,923,527.68
  5. Step 5: Solve for x
    x = 439,923,527.68/26,617.60
  6. Step 6: Final answer
    x = 16,527.54

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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.