Home / 27,455.85-37,889.18-17,373.78

Finding the Fourth Proportional to 27,455.85, 37,889.18 and 17,373.78

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Solution

The fourth proportional to 27,455.85, 37,889.18 and 17,373.78 is: 23,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.85 : 37,889.18 = 17,373.78 : x
  2. Step 2: Convert to fraction form
    27,455.85/37,889.18 = 17,373.78/x
  3. Step 3: Cross multiply
    27,455.85x = 37,889.18 × 17,373.78
  4. Step 4: Simplify right side
    27,455.85x = 658,278,277.70
  5. Step 5: Solve for x
    x = 658,278,277.70/27,455.85
  6. Step 6: Final answer
    x = 23,975.88

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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.