Home / 27,425.24-37,845.30-15,491

Finding the Fourth Proportional to 27,425.24, 37,845.30 and 15,491

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Solution

The fourth proportional to 27,425.24, 37,845.30 and 15,491 is: 21,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.24 : 37,845.30 = 15,491 : x
  2. Step 2: Convert to fraction form
    27,425.24/37,845.30 = 15,491/x
  3. Step 3: Cross multiply
    27,425.24x = 37,845.30 × 15,491
  4. Step 4: Simplify right side
    27,425.24x = 586,261,542.30
  5. Step 5: Solve for x
    x = 586,261,542.30/27,425.24
  6. Step 6: Final answer
    x = 21,376.72

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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.