Home / 26,381.94-39,581.01-10,800.78

Finding the Fourth Proportional to 26,381.94, 39,581.01 and 10,800.78

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Solution

The fourth proportional to 26,381.94, 39,581.01 and 10,800.78 is: 16,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.94 : 39,581.01 = 10,800.78 : x
  2. Step 2: Convert to fraction form
    26,381.94/39,581.01 = 10,800.78/x
  3. Step 3: Cross multiply
    26,381.94x = 39,581.01 × 10,800.78
  4. Step 4: Simplify right side
    26,381.94x = 427,505,781.19
  5. Step 5: Solve for x
    x = 427,505,781.19/26,381.94
  6. Step 6: Final answer
    x = 16,204.49

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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.