Home / 27,584.79-38,067.38-15,647.86

Finding the Fourth Proportional to 27,584.79, 38,067.38 and 15,647.86

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Solution

The fourth proportional to 27,584.79, 38,067.38 and 15,647.86 is: 21,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584.79 : 38,067.38 = 15,647.86 : x
  2. Step 2: Convert to fraction form
    27,584.79/38,067.38 = 15,647.86/x
  3. Step 3: Cross multiply
    27,584.79x = 38,067.38 × 15,647.86
  4. Step 4: Simplify right side
    27,584.79x = 595,673,032.81
  5. Step 5: Solve for x
    x = 595,673,032.81/27,584.79
  6. Step 6: Final answer
    x = 21,594.26

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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.