Home / 27,778.86-38,352.72-24,789.54

Finding the Fourth Proportional to 27,778.86, 38,352.72 and 24,789.54

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Solution

The fourth proportional to 27,778.86, 38,352.72 and 24,789.54 is: 34,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.86 : 38,352.72 = 24,789.54 : x
  2. Step 2: Convert to fraction form
    27,778.86/38,352.72 = 24,789.54/x
  3. Step 3: Cross multiply
    27,778.86x = 38,352.72 × 24,789.54
  4. Step 4: Simplify right side
    27,778.86x = 950,746,286.55
  5. Step 5: Solve for x
    x = 950,746,286.55/27,778.86
  6. Step 6: Final answer
    x = 34,225.53

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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.