Home / 27,200.75-37,540.76-15,264.79

Finding the Fourth Proportional to 27,200.75, 37,540.76 and 15,264.79

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Solution

The fourth proportional to 27,200.75, 37,540.76 and 15,264.79 is: 21,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.75 : 37,540.76 = 15,264.79 : x
  2. Step 2: Convert to fraction form
    27,200.75/37,540.76 = 15,264.79/x
  3. Step 3: Cross multiply
    27,200.75x = 37,540.76 × 15,264.79
  4. Step 4: Simplify right side
    27,200.75x = 573,051,856.00
  5. Step 5: Solve for x
    x = 573,051,856.00/27,200.75
  6. Step 6: Final answer
    x = 21,067.50

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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.