Home / 27,334.20-37,676.88-21,355.44

Finding the Fourth Proportional to 27,334.20, 37,676.88 and 21,355.44

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Solution

The fourth proportional to 27,334.20, 37,676.88 and 21,355.44 is: 29,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.20 : 37,676.88 = 21,355.44 : x
  2. Step 2: Convert to fraction form
    27,334.20/37,676.88 = 21,355.44/x
  3. Step 3: Cross multiply
    27,334.20x = 37,676.88 × 21,355.44
  4. Step 4: Simplify right side
    27,334.20x = 804,606,350.23
  5. Step 5: Solve for x
    x = 804,606,350.23/27,334.20
  6. Step 6: Final answer
    x = 29,435.88

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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.