Home / 27,759.26-38,311.50-15,662.24

Finding the Fourth Proportional to 27,759.26, 38,311.50 and 15,662.24

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Solution

The fourth proportional to 27,759.26, 38,311.50 and 15,662.24 is: 21,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.26 : 38,311.50 = 15,662.24 : x
  2. Step 2: Convert to fraction form
    27,759.26/38,311.50 = 15,662.24/x
  3. Step 3: Cross multiply
    27,759.26x = 38,311.50 × 15,662.24
  4. Step 4: Simplify right side
    27,759.26x = 600,043,907.76
  5. Step 5: Solve for x
    x = 600,043,907.76/27,759.26
  6. Step 6: Final answer
    x = 21,615.99

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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.