Home / 28,023.92-38,673.48-16,087.15

Finding the Fourth Proportional to 28,023.92, 38,673.48 and 16,087.15

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Solution

The fourth proportional to 28,023.92, 38,673.48 and 16,087.15 is: 22,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.92 : 38,673.48 = 16,087.15 : x
  2. Step 2: Convert to fraction form
    28,023.92/38,673.48 = 16,087.15/x
  3. Step 3: Cross multiply
    28,023.92x = 38,673.48 × 16,087.15
  4. Step 4: Simplify right side
    28,023.92x = 622,146,073.78
  5. Step 5: Solve for x
    x = 622,146,073.78/28,023.92
  6. Step 6: Final answer
    x = 22,200.54

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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.