Home / 27,669.09-38,183.27-15,093.75

Finding the Fourth Proportional to 27,669.09, 38,183.27 and 15,093.75

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Solution

The fourth proportional to 27,669.09, 38,183.27 and 15,093.75 is: 20,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.09 : 38,183.27 = 15,093.75 : x
  2. Step 2: Convert to fraction form
    27,669.09/38,183.27 = 15,093.75/x
  3. Step 3: Cross multiply
    27,669.09x = 38,183.27 × 15,093.75
  4. Step 4: Simplify right side
    27,669.09x = 576,328,656.09
  5. Step 5: Solve for x
    x = 576,328,656.09/27,669.09
  6. Step 6: Final answer
    x = 20,829.33

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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.