Home / 27,927.18-38,539.62-15,180.48

Finding the Fourth Proportional to 27,927.18, 38,539.62 and 15,180.48

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Solution

The fourth proportional to 27,927.18, 38,539.62 and 15,180.48 is: 20,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.18 : 38,539.62 = 15,180.48 : x
  2. Step 2: Convert to fraction form
    27,927.18/38,539.62 = 15,180.48/x
  3. Step 3: Cross multiply
    27,927.18x = 38,539.62 × 15,180.48
  4. Step 4: Simplify right side
    27,927.18x = 585,049,930.62
  5. Step 5: Solve for x
    x = 585,049,930.62/27,927.18
  6. Step 6: Final answer
    x = 20,949.12

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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.