Home / 26,507.15-39,765.60-8,738.86

Finding the Fourth Proportional to 26,507.15, 39,765.60 and 8,738.86

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Solution

The fourth proportional to 26,507.15, 39,765.60 and 8,738.86 is: 13,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.15 : 39,765.60 = 8,738.86 : x
  2. Step 2: Convert to fraction form
    26,507.15/39,765.60 = 8,738.86/x
  3. Step 3: Cross multiply
    26,507.15x = 39,765.60 × 8,738.86
  4. Step 4: Simplify right side
    26,507.15x = 347,505,911.80
  5. Step 5: Solve for x
    x = 347,505,911.80/26,507.15
  6. Step 6: Final answer
    x = 13,109.89

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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.