Home / 29,378.58-40,542.66-15,949.92

Finding the Fourth Proportional to 29,378.58, 40,542.66 and 15,949.92

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Solution

The fourth proportional to 29,378.58, 40,542.66 and 15,949.92 is: 22,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.58 : 40,542.66 = 15,949.92 : x
  2. Step 2: Convert to fraction form
    29,378.58/40,542.66 = 15,949.92/x
  3. Step 3: Cross multiply
    29,378.58x = 40,542.66 × 15,949.92
  4. Step 4: Simplify right side
    29,378.58x = 646,652,183.59
  5. Step 5: Solve for x
    x = 646,652,183.59/29,378.58
  6. Step 6: Final answer
    x = 22,011.01

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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.