Home / 27,499.62-37,943.16-15,560.34

Finding the Fourth Proportional to 27,499.62, 37,943.16 and 15,560.34

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Solution

The fourth proportional to 27,499.62, 37,943.16 and 15,560.34 is: 21,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,499.62 : 37,943.16 = 15,560.34 : x
  2. Step 2: Convert to fraction form
    27,499.62/37,943.16 = 15,560.34/x
  3. Step 3: Cross multiply
    27,499.62x = 37,943.16 × 15,560.34
  4. Step 4: Simplify right side
    27,499.62x = 590,408,470.27
  5. Step 5: Solve for x
    x = 590,408,470.27/27,499.62
  6. Step 6: Final answer
    x = 21,469.70

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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.