Home / 27,648.62-38,156.43-15,549.34

Finding the Fourth Proportional to 27,648.62, 38,156.43 and 15,549.34

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Solution

The fourth proportional to 27,648.62, 38,156.43 and 15,549.34 is: 21,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.62 : 38,156.43 = 15,549.34 : x
  2. Step 2: Convert to fraction form
    27,648.62/38,156.43 = 15,549.34/x
  3. Step 3: Cross multiply
    27,648.62x = 38,156.43 × 15,549.34
  4. Step 4: Simplify right side
    27,648.62x = 593,307,379.43
  5. Step 5: Solve for x
    x = 593,307,379.43/27,648.62
  6. Step 6: Final answer
    x = 21,458.85

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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.