Home / 24,759.12-34,147.68-21,768.72

Finding the Fourth Proportional to 24,759.12, 34,147.68 and 21,768.72

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Solution

The fourth proportional to 24,759.12, 34,147.68 and 21,768.72 is: 30,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,759.12 : 34,147.68 = 21,768.72 : x
  2. Step 2: Convert to fraction form
    24,759.12/34,147.68 = 21,768.72/x
  3. Step 3: Cross multiply
    24,759.12x = 34,147.68 × 21,768.72
  4. Step 4: Simplify right side
    24,759.12x = 743,351,284.57
  5. Step 5: Solve for x
    x = 743,351,284.57/24,759.12
  6. Step 6: Final answer
    x = 30,023.33

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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.