Home / 29,153.28-43,723.44-8,378.40

Finding the Fourth Proportional to 29,153.28, 43,723.44 and 8,378.40

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Solution

The fourth proportional to 29,153.28, 43,723.44 and 8,378.40 is: 12,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.28 : 43,723.44 = 8,378.40 : x
  2. Step 2: Convert to fraction form
    29,153.28/43,723.44 = 8,378.40/x
  3. Step 3: Cross multiply
    29,153.28x = 43,723.44 × 8,378.40
  4. Step 4: Simplify right side
    29,153.28x = 366,332,469.70
  5. Step 5: Solve for x
    x = 366,332,469.70/29,153.28
  6. Step 6: Final answer
    x = 12,565.74

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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.