Home / 27,588.72-41,389.60-7,867.56

Finding the Fourth Proportional to 27,588.72, 41,389.60 and 7,867.56

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Solution

The fourth proportional to 27,588.72, 41,389.60 and 7,867.56 is: 11,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.72 : 41,389.60 = 7,867.56 : x
  2. Step 2: Convert to fraction form
    27,588.72/41,389.60 = 7,867.56/x
  3. Step 3: Cross multiply
    27,588.72x = 41,389.60 × 7,867.56
  4. Step 4: Simplify right side
    27,588.72x = 325,635,161.38
  5. Step 5: Solve for x
    x = 325,635,161.38/27,588.72
  6. Step 6: Final answer
    x = 11,803.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.