Home / 27,742.08-38,284.24-15,166.88

Finding the Fourth Proportional to 27,742.08, 38,284.24 and 15,166.88

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Solution

The fourth proportional to 27,742.08, 38,284.24 and 15,166.88 is: 20,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.08 : 38,284.24 = 15,166.88 : x
  2. Step 2: Convert to fraction form
    27,742.08/38,284.24 = 15,166.88/x
  3. Step 3: Cross multiply
    27,742.08x = 38,284.24 × 15,166.88
  4. Step 4: Simplify right side
    27,742.08x = 580,652,473.97
  5. Step 5: Solve for x
    x = 580,652,473.97/27,742.08
  6. Step 6: Final answer
    x = 20,930.39

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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.