Home / 26,429.20-39,639.96-7,704.22

Finding the Fourth Proportional to 26,429.20, 39,639.96 and 7,704.22

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Solution

The fourth proportional to 26,429.20, 39,639.96 and 7,704.22 is: 11,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.20 : 39,639.96 = 7,704.22 : x
  2. Step 2: Convert to fraction form
    26,429.20/39,639.96 = 7,704.22/x
  3. Step 3: Cross multiply
    26,429.20x = 39,639.96 × 7,704.22
  4. Step 4: Simplify right side
    26,429.20x = 305,394,972.63
  5. Step 5: Solve for x
    x = 305,394,972.63/26,429.20
  6. Step 6: Final answer
    x = 11,555.21

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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.