Home / 27,582.11-38,062.19-15,645.18

Finding the Fourth Proportional to 27,582.11, 38,062.19 and 15,645.18

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Solution

The fourth proportional to 27,582.11, 38,062.19 and 15,645.18 is: 21,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.11 : 38,062.19 = 15,645.18 : x
  2. Step 2: Convert to fraction form
    27,582.11/38,062.19 = 15,645.18/x
  3. Step 3: Cross multiply
    27,582.11x = 38,062.19 × 15,645.18
  4. Step 4: Simplify right side
    27,582.11x = 595,489,735.52
  5. Step 5: Solve for x
    x = 595,489,735.52/27,582.11
  6. Step 6: Final answer
    x = 21,589.71

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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.