Home / 27,736.16-38,275.92-15,160.92

Finding the Fourth Proportional to 27,736.16, 38,275.92 and 15,160.92

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Solution

The fourth proportional to 27,736.16, 38,275.92 and 15,160.92 is: 20,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.16 : 38,275.92 = 15,160.92 : x
  2. Step 2: Convert to fraction form
    27,736.16/38,275.92 = 15,160.92/x
  3. Step 3: Cross multiply
    27,736.16x = 38,275.92 × 15,160.92
  4. Step 4: Simplify right side
    27,736.16x = 580,298,161.05
  5. Step 5: Solve for x
    x = 580,298,161.05/27,736.16
  6. Step 6: Final answer
    x = 20,922.08

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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.