Home / 28,108-38,789.04-16,932.16

Finding the Fourth Proportional to 28,108, 38,789.04 and 16,932.16

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Solution

The fourth proportional to 28,108, 38,789.04 and 16,932.16 is: 23,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108 : 38,789.04 = 16,932.16 : x
  2. Step 2: Convert to fraction form
    28,108/38,789.04 = 16,932.16/x
  3. Step 3: Cross multiply
    28,108x = 38,789.04 × 16,932.16
  4. Step 4: Simplify right side
    28,108x = 656,782,231.53
  5. Step 5: Solve for x
    x = 656,782,231.53/28,108
  6. Step 6: Final answer
    x = 23,366.38

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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.