Home / 27,369.38-37,770.98-15,432.68

Finding the Fourth Proportional to 27,369.38, 37,770.98 and 15,432.68

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Solution

The fourth proportional to 27,369.38, 37,770.98 and 15,432.68 is: 21,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.38 : 37,770.98 = 15,432.68 : x
  2. Step 2: Convert to fraction form
    27,369.38/37,770.98 = 15,432.68/x
  3. Step 3: Cross multiply
    27,369.38x = 37,770.98 × 15,432.68
  4. Step 4: Simplify right side
    27,369.38x = 582,907,181.61
  5. Step 5: Solve for x
    x = 582,907,181.61/27,369.38
  6. Step 6: Final answer
    x = 21,297.79

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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.