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Finding the Fourth Proportional to 26,605.74, 39,903.83 and 6,883.11

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Solution

The fourth proportional to 26,605.74, 39,903.83 and 6,883.11 is: 10,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.74 : 39,903.83 = 6,883.11 : x
  2. Step 2: Convert to fraction form
    26,605.74/39,903.83 = 6,883.11/x
  3. Step 3: Cross multiply
    26,605.74x = 39,903.83 × 6,883.11
  4. Step 4: Simplify right side
    26,605.74x = 274,662,217.38
  5. Step 5: Solve for x
    x = 274,662,217.38/26,605.74
  6. Step 6: Final answer
    x = 10,323.42

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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.