Home / 25,364.92-38,040.12-9,778.96

Finding the Fourth Proportional to 25,364.92, 38,040.12 and 9,778.96

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Solution

The fourth proportional to 25,364.92, 38,040.12 and 9,778.96 is: 14,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.92 : 38,040.12 = 9,778.96 : x
  2. Step 2: Convert to fraction form
    25,364.92/38,040.12 = 9,778.96/x
  3. Step 3: Cross multiply
    25,364.92x = 38,040.12 × 9,778.96
  4. Step 4: Simplify right side
    25,364.92x = 371,992,811.88
  5. Step 5: Solve for x
    x = 371,992,811.88/25,364.92
  6. Step 6: Final answer
    x = 14,665.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.