Home / 27,833.35-38,410.04-15,086.65

Finding the Fourth Proportional to 27,833.35, 38,410.04 and 15,086.65

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Solution

The fourth proportional to 27,833.35, 38,410.04 and 15,086.65 is: 20,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.35 : 38,410.04 = 15,086.65 : x
  2. Step 2: Convert to fraction form
    27,833.35/38,410.04 = 15,086.65/x
  3. Step 3: Cross multiply
    27,833.35x = 38,410.04 × 15,086.65
  4. Step 4: Simplify right side
    27,833.35x = 579,478,829.97
  5. Step 5: Solve for x
    x = 579,478,829.97/27,833.35
  6. Step 6: Final answer
    x = 20,819.59

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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.