Home / 27,728.27-41,577.20-13,657.35

Finding the Fourth Proportional to 27,728.27, 41,577.20 and 13,657.35

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Solution

The fourth proportional to 27,728.27, 41,577.20 and 13,657.35 is: 20,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728.27 : 41,577.20 = 13,657.35 : x
  2. Step 2: Convert to fraction form
    27,728.27/41,577.20 = 13,657.35/x
  3. Step 3: Cross multiply
    27,728.27x = 41,577.20 × 13,657.35
  4. Step 4: Simplify right side
    27,728.27x = 567,834,304.13
  5. Step 5: Solve for x
    x = 567,834,304.13/27,728.27
  6. Step 6: Final answer
    x = 20,478.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.