Home / 27,736.12-38,275.68-15,160.96

Finding the Fourth Proportional to 27,736.12, 38,275.68 and 15,160.96

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Solution

The fourth proportional to 27,736.12, 38,275.68 and 15,160.96 is: 20,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.12 : 38,275.68 = 15,160.96 : x
  2. Step 2: Convert to fraction form
    27,736.12/38,275.68 = 15,160.96/x
  3. Step 3: Cross multiply
    27,736.12x = 38,275.68 × 15,160.96
  4. Step 4: Simplify right side
    27,736.12x = 580,296,053.45
  5. Step 5: Solve for x
    x = 580,296,053.45/27,736.12
  6. Step 6: Final answer
    x = 20,922.03

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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.