Home / 26,361.81-39,529.96-9,729.68

Finding the Fourth Proportional to 26,361.81, 39,529.96 and 9,729.68

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Solution

The fourth proportional to 26,361.81, 39,529.96 and 9,729.68 is: 14,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.81 : 39,529.96 = 9,729.68 : x
  2. Step 2: Convert to fraction form
    26,361.81/39,529.96 = 9,729.68/x
  3. Step 3: Cross multiply
    26,361.81x = 39,529.96 × 9,729.68
  4. Step 4: Simplify right side
    26,361.81x = 384,613,639.24
  5. Step 5: Solve for x
    x = 384,613,639.24/26,361.81
  6. Step 6: Final answer
    x = 14,589.80

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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.