Home / 26,969.18-40,447.28-13,814.78

Finding the Fourth Proportional to 26,969.18, 40,447.28 and 13,814.78

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Solution

The fourth proportional to 26,969.18, 40,447.28 and 13,814.78 is: 20,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.18 : 40,447.28 = 13,814.78 : x
  2. Step 2: Convert to fraction form
    26,969.18/40,447.28 = 13,814.78/x
  3. Step 3: Cross multiply
    26,969.18x = 40,447.28 × 13,814.78
  4. Step 4: Simplify right side
    26,969.18x = 558,770,107.10
  5. Step 5: Solve for x
    x = 558,770,107.10/26,969.18
  6. Step 6: Final answer
    x = 20,718.84

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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.