Home / 27,129.12-37,433.82-15,192.96

Finding the Fourth Proportional to 27,129.12, 37,433.82 and 15,192.96

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Solution

The fourth proportional to 27,129.12, 37,433.82 and 15,192.96 is: 20,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.12 : 37,433.82 = 15,192.96 : x
  2. Step 2: Convert to fraction form
    27,129.12/37,433.82 = 15,192.96/x
  3. Step 3: Cross multiply
    27,129.12x = 37,433.82 × 15,192.96
  4. Step 4: Simplify right side
    27,129.12x = 568,730,529.91
  5. Step 5: Solve for x
    x = 568,730,529.91/27,129.12
  6. Step 6: Final answer
    x = 20,963.84

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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.