Home / 29,378.85-40,542.58-15,949.83

Finding the Fourth Proportional to 29,378.85, 40,542.58 and 15,949.83

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Solution

The fourth proportional to 29,378.85, 40,542.58 and 15,949.83 is: 22,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.85 : 40,542.58 = 15,949.83 : x
  2. Step 2: Convert to fraction form
    29,378.85/40,542.58 = 15,949.83/x
  3. Step 3: Cross multiply
    29,378.85x = 40,542.58 × 15,949.83
  4. Step 4: Simplify right side
    29,378.85x = 646,647,112.96
  5. Step 5: Solve for x
    x = 646,647,112.96/29,378.85
  6. Step 6: Final answer
    x = 22,010.64

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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.