Home / 27,742.31-38,284.39-15,167.06

Finding the Fourth Proportional to 27,742.31, 38,284.39 and 15,167.06

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Solution

The fourth proportional to 27,742.31, 38,284.39 and 15,167.06 is: 20,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.31 : 38,284.39 = 15,167.06 : x
  2. Step 2: Convert to fraction form
    27,742.31/38,284.39 = 15,167.06/x
  3. Step 3: Cross multiply
    27,742.31x = 38,284.39 × 15,167.06
  4. Step 4: Simplify right side
    27,742.31x = 580,661,640.19
  5. Step 5: Solve for x
    x = 580,661,640.19/27,742.31
  6. Step 6: Final answer
    x = 20,930.54

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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.