Home / 27,789.27-38,348.60-17,030.44

Finding the Fourth Proportional to 27,789.27, 38,348.60 and 17,030.44

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Solution

The fourth proportional to 27,789.27, 38,348.60 and 17,030.44 is: 23,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.27 : 38,348.60 = 17,030.44 : x
  2. Step 2: Convert to fraction form
    27,789.27/38,348.60 = 17,030.44/x
  3. Step 3: Cross multiply
    27,789.27x = 38,348.60 × 17,030.44
  4. Step 4: Simplify right side
    27,789.27x = 653,093,531.38
  5. Step 5: Solve for x
    x = 653,093,531.38/27,789.27
  6. Step 6: Final answer
    x = 23,501.64

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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.