Home / 29,715.90-41,007.78-16,287.72

Finding the Fourth Proportional to 29,715.90, 41,007.78 and 16,287.72

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Solution

The fourth proportional to 29,715.90, 41,007.78 and 16,287.72 is: 22,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,715.90 : 41,007.78 = 16,287.72 : x
  2. Step 2: Convert to fraction form
    29,715.90/41,007.78 = 16,287.72/x
  3. Step 3: Cross multiply
    29,715.90x = 41,007.78 × 16,287.72
  4. Step 4: Simplify right side
    29,715.90x = 667,923,238.46
  5. Step 5: Solve for x
    x = 667,923,238.46/29,715.90
  6. Step 6: Final answer
    x = 22,476.96

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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.