Home / 27,937.45-38,553.24-15,190.89

Finding the Fourth Proportional to 27,937.45, 38,553.24 and 15,190.89

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Solution

The fourth proportional to 27,937.45, 38,553.24 and 15,190.89 is: 20,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.45 : 38,553.24 = 15,190.89 : x
  2. Step 2: Convert to fraction form
    27,937.45/38,553.24 = 15,190.89/x
  3. Step 3: Cross multiply
    27,937.45x = 38,553.24 × 15,190.89
  4. Step 4: Simplify right side
    27,937.45x = 585,658,027.98
  5. Step 5: Solve for x
    x = 585,658,027.98/27,937.45
  6. Step 6: Final answer
    x = 20,963.19

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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.