Home / 27,939.19-38,556.24-15,192.50

Finding the Fourth Proportional to 27,939.19, 38,556.24 and 15,192.50

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Solution

The fourth proportional to 27,939.19, 38,556.24 and 15,192.50 is: 20,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.19 : 38,556.24 = 15,192.50 : x
  2. Step 2: Convert to fraction form
    27,939.19/38,556.24 = 15,192.50/x
  3. Step 3: Cross multiply
    27,939.19x = 38,556.24 × 15,192.50
  4. Step 4: Simplify right side
    27,939.19x = 585,765,676.20
  5. Step 5: Solve for x
    x = 585,765,676.20/27,939.19
  6. Step 6: Final answer
    x = 20,965.74

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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.