Home / 27,369.11-37,769.43-15,432.42

Finding the Fourth Proportional to 27,369.11, 37,769.43 and 15,432.42

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Solution

The fourth proportional to 27,369.11, 37,769.43 and 15,432.42 is: 21,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.11 : 37,769.43 = 15,432.42 : x
  2. Step 2: Convert to fraction form
    27,369.11/37,769.43 = 15,432.42/x
  3. Step 3: Cross multiply
    27,369.11x = 37,769.43 × 15,432.42
  4. Step 4: Simplify right side
    27,369.11x = 582,873,706.92
  5. Step 5: Solve for x
    x = 582,873,706.92/27,369.11
  6. Step 6: Final answer
    x = 21,296.77

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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.