Home / 28,233.10-38,958.95-16,902.37

Finding the Fourth Proportional to 28,233.10, 38,958.95 and 16,902.37

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Solution

The fourth proportional to 28,233.10, 38,958.95 and 16,902.37 is: 23,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.10 : 38,958.95 = 16,902.37 : x
  2. Step 2: Convert to fraction form
    28,233.10/38,958.95 = 16,902.37/x
  3. Step 3: Cross multiply
    28,233.10x = 38,958.95 × 16,902.37
  4. Step 4: Simplify right side
    28,233.10x = 658,498,532.57
  5. Step 5: Solve for x
    x = 658,498,532.57/28,233.10
  6. Step 6: Final answer
    x = 23,323.64

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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.