Home / 28,732.50-39,650.46-16,157.28

Finding the Fourth Proportional to 28,732.50, 39,650.46 and 16,157.28

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Solution

The fourth proportional to 28,732.50, 39,650.46 and 16,157.28 is: 22,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.50 : 39,650.46 = 16,157.28 : x
  2. Step 2: Convert to fraction form
    28,732.50/39,650.46 = 16,157.28/x
  3. Step 3: Cross multiply
    28,732.50x = 39,650.46 × 16,157.28
  4. Step 4: Simplify right side
    28,732.50x = 640,643,584.35
  5. Step 5: Solve for x
    x = 640,643,584.35/28,732.50
  6. Step 6: Final answer
    x = 22,296.83

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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.