Home / 26,509.56-39,768.66-8,734.92

Finding the Fourth Proportional to 26,509.56, 39,768.66 and 8,734.92

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Solution

The fourth proportional to 26,509.56, 39,768.66 and 8,734.92 is: 13,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.56 : 39,768.66 = 8,734.92 : x
  2. Step 2: Convert to fraction form
    26,509.56/39,768.66 = 8,734.92/x
  3. Step 3: Cross multiply
    26,509.56x = 39,768.66 × 8,734.92
  4. Step 4: Simplify right side
    26,509.56x = 347,376,063.61
  5. Step 5: Solve for x
    x = 347,376,063.61/26,509.56
  6. Step 6: Final answer
    x = 13,103.80

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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.