Home / 27,927.50-38,540.69-15,181.54

Finding the Fourth Proportional to 27,927.50, 38,540.69 and 15,181.54

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Solution

The fourth proportional to 27,927.50, 38,540.69 and 15,181.54 is: 20,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.50 : 38,540.69 = 15,181.54 : x
  2. Step 2: Convert to fraction form
    27,927.50/38,540.69 = 15,181.54/x
  3. Step 3: Cross multiply
    27,927.50x = 38,540.69 × 15,181.54
  4. Step 4: Simplify right side
    27,927.50x = 585,106,923.03
  5. Step 5: Solve for x
    x = 585,106,923.03/27,927.50
  6. Step 6: Final answer
    x = 20,950.93

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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.