Home / 27,079.56-37,371.24-15,142.86

Finding the Fourth Proportional to 27,079.56, 37,371.24 and 15,142.86

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Solution

The fourth proportional to 27,079.56, 37,371.24 and 15,142.86 is: 20,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.56 : 37,371.24 = 15,142.86 : x
  2. Step 2: Convert to fraction form
    27,079.56/37,371.24 = 15,142.86/x
  3. Step 3: Cross multiply
    27,079.56x = 37,371.24 × 15,142.86
  4. Step 4: Simplify right side
    27,079.56x = 565,907,455.35
  5. Step 5: Solve for x
    x = 565,907,455.35/27,079.56
  6. Step 6: Final answer
    x = 20,897.96

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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.