Home / 27,744.24-38,289.66-15,170.88

Finding the Fourth Proportional to 27,744.24, 38,289.66 and 15,170.88

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Solution

The fourth proportional to 27,744.24, 38,289.66 and 15,170.88 is: 20,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.24 : 38,289.66 = 15,170.88 : x
  2. Step 2: Convert to fraction form
    27,744.24/38,289.66 = 15,170.88/x
  3. Step 3: Cross multiply
    27,744.24x = 38,289.66 × 15,170.88
  4. Step 4: Simplify right side
    27,744.24x = 580,887,837.10
  5. Step 5: Solve for x
    x = 580,887,837.10/27,744.24
  6. Step 6: Final answer
    x = 20,937.24

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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.