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Finding the Fourth Proportional to 27,939, 38,578.86 and 24,442.68

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Solution

The fourth proportional to 27,939, 38,578.86 and 24,442.68 is: 33,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939 : 38,578.86 = 24,442.68 : x
  2. Step 2: Convert to fraction form
    27,939/38,578.86 = 24,442.68/x
  3. Step 3: Cross multiply
    27,939x = 38,578.86 × 24,442.68
  4. Step 4: Simplify right side
    27,939x = 942,970,729.74
  5. Step 5: Solve for x
    x = 942,970,729.74/27,939
  6. Step 6: Final answer
    x = 33,751.06

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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.