Home / 28,247.24-38,982.41-16,918.58

Finding the Fourth Proportional to 28,247.24, 38,982.41 and 16,918.58

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Solution

The fourth proportional to 28,247.24, 38,982.41 and 16,918.58 is: 23,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.24 : 38,982.41 = 16,918.58 : x
  2. Step 2: Convert to fraction form
    28,247.24/38,982.41 = 16,918.58/x
  3. Step 3: Cross multiply
    28,247.24x = 38,982.41 × 16,918.58
  4. Step 4: Simplify right side
    28,247.24x = 659,527,022.18
  5. Step 5: Solve for x
    x = 659,527,022.18/28,247.24
  6. Step 6: Final answer
    x = 23,348.37

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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.