Home / 27,355.62-37,747.08-15,418.02

Finding the Fourth Proportional to 27,355.62, 37,747.08 and 15,418.02

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Solution

The fourth proportional to 27,355.62, 37,747.08 and 15,418.02 is: 21,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.62 : 37,747.08 = 15,418.02 : x
  2. Step 2: Convert to fraction form
    27,355.62/37,747.08 = 15,418.02/x
  3. Step 3: Cross multiply
    27,355.62x = 37,747.08 × 15,418.02
  4. Step 4: Simplify right side
    27,355.62x = 581,985,234.38
  5. Step 5: Solve for x
    x = 581,985,234.38/27,355.62
  6. Step 6: Final answer
    x = 21,274.80

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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.