Home / 26,704.14-36,812.42-21,020.68

Finding the Fourth Proportional to 26,704.14, 36,812.42 and 21,020.68

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Solution

The fourth proportional to 26,704.14, 36,812.42 and 21,020.68 is: 28,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,704.14 : 36,812.42 = 21,020.68 : x
  2. Step 2: Convert to fraction form
    26,704.14/36,812.42 = 21,020.68/x
  3. Step 3: Cross multiply
    26,704.14x = 36,812.42 × 21,020.68
  4. Step 4: Simplify right side
    26,704.14x = 773,822,100.85
  5. Step 5: Solve for x
    x = 773,822,100.85/26,704.14
  6. Step 6: Final answer
    x = 28,977.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.