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Finding the Fourth Proportional to 26,961.84, 40,441.28 and 10,329.84

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Solution

The fourth proportional to 26,961.84, 40,441.28 and 10,329.84 is: 15,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.84 : 40,441.28 = 10,329.84 : x
  2. Step 2: Convert to fraction form
    26,961.84/40,441.28 = 10,329.84/x
  3. Step 3: Cross multiply
    26,961.84x = 40,441.28 × 10,329.84
  4. Step 4: Simplify right side
    26,961.84x = 417,751,951.80
  5. Step 5: Solve for x
    x = 417,751,951.80/26,961.84
  6. Step 6: Final answer
    x = 15,494.19

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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.