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Finding the Fourth Proportional to 26,039.93, 39,061.93 and 8,511.53

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Solution

The fourth proportional to 26,039.93, 39,061.93 and 8,511.53 is: 12,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,039.93 : 39,061.93 = 8,511.53 : x
  2. Step 2: Convert to fraction form
    26,039.93/39,061.93 = 8,511.53/x
  3. Step 3: Cross multiply
    26,039.93x = 39,061.93 × 8,511.53
  4. Step 4: Simplify right side
    26,039.93x = 332,476,865.43
  5. Step 5: Solve for x
    x = 332,476,865.43/26,039.93
  6. Step 6: Final answer
    x = 12,767.96

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1.5x scale

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.