Home / 27,707.69-38,236.56-15,132.44

Finding the Fourth Proportional to 27,707.69, 38,236.56 and 15,132.44

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Solution

The fourth proportional to 27,707.69, 38,236.56 and 15,132.44 is: 20,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.69 : 38,236.56 = 15,132.44 : x
  2. Step 2: Convert to fraction form
    27,707.69/38,236.56 = 15,132.44/x
  3. Step 3: Cross multiply
    27,707.69x = 38,236.56 × 15,132.44
  4. Step 4: Simplify right side
    27,707.69x = 578,612,488.85
  5. Step 5: Solve for x
    x = 578,612,488.85/27,707.69
  6. Step 6: Final answer
    x = 20,882.74

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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.