Home / 22,769.80-34,138.26-15,355.72

Finding the Fourth Proportional to 22,769.80, 34,138.26 and 15,355.72

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Solution

The fourth proportional to 22,769.80, 34,138.26 and 15,355.72 is: 23,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.80 : 34,138.26 = 15,355.72 : x
  2. Step 2: Convert to fraction form
    22,769.80/34,138.26 = 15,355.72/x
  3. Step 3: Cross multiply
    22,769.80x = 34,138.26 × 15,355.72
  4. Step 4: Simplify right side
    22,769.80x = 524,217,561.85
  5. Step 5: Solve for x
    x = 524,217,561.85/22,769.80
  6. Step 6: Final answer
    x = 23,022.49

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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.