Home / 27,680.12-38,201.37-16,353.27

Finding the Fourth Proportional to 27,680.12, 38,201.37 and 16,353.27

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Solution

The fourth proportional to 27,680.12, 38,201.37 and 16,353.27 is: 22,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.12 : 38,201.37 = 16,353.27 : x
  2. Step 2: Convert to fraction form
    27,680.12/38,201.37 = 16,353.27/x
  3. Step 3: Cross multiply
    27,680.12x = 38,201.37 × 16,353.27
  4. Step 4: Simplify right side
    27,680.12x = 624,717,317.98
  5. Step 5: Solve for x
    x = 624,717,317.98/27,680.12
  6. Step 6: Final answer
    x = 22,569.17

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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.