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Finding the Fourth Proportional to 26,933.38, 40,409.80 and 9,405.80

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Solution

The fourth proportional to 26,933.38, 40,409.80 and 9,405.80 is: 14,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.38 : 40,409.80 = 9,405.80 : x
  2. Step 2: Convert to fraction form
    26,933.38/40,409.80 = 9,405.80/x
  3. Step 3: Cross multiply
    26,933.38x = 40,409.80 × 9,405.80
  4. Step 4: Simplify right side
    26,933.38x = 380,086,496.84
  5. Step 5: Solve for x
    x = 380,086,496.84/26,933.38
  6. Step 6: Final answer
    x = 14,112.10

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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.