Home / 17,299.60-23,785.28-15,392.80

Finding the Fourth Proportional to 17,299.60, 23,785.28 and 15,392.80

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Solution

The fourth proportional to 17,299.60, 23,785.28 and 15,392.80 is: 21,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,299.60 : 23,785.28 = 15,392.80 : x
  2. Step 2: Convert to fraction form
    17,299.60/23,785.28 = 15,392.80/x
  3. Step 3: Cross multiply
    17,299.60x = 23,785.28 × 15,392.80
  4. Step 4: Simplify right side
    17,299.60x = 366,122,057.98
  5. Step 5: Solve for x
    x = 366,122,057.98/17,299.60
  6. Step 6: Final answer
    x = 21,163.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.