Home / 27,775.26-38,330.82-15,200.01

Finding the Fourth Proportional to 27,775.26, 38,330.82 and 15,200.01

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Solution

The fourth proportional to 27,775.26, 38,330.82 and 15,200.01 is: 20,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.26 : 38,330.82 = 15,200.01 : x
  2. Step 2: Convert to fraction form
    27,775.26/38,330.82 = 15,200.01/x
  3. Step 3: Cross multiply
    27,775.26x = 38,330.82 × 15,200.01
  4. Step 4: Simplify right side
    27,775.26x = 582,628,847.31
  5. Step 5: Solve for x
    x = 582,628,847.31/27,775.26
  6. Step 6: Final answer
    x = 20,976.54

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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.