Home / 25,389.97-38,087.51-8,747.83

Finding the Fourth Proportional to 25,389.97, 38,087.51 and 8,747.83

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Solution

The fourth proportional to 25,389.97, 38,087.51 and 8,747.83 is: 13,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.97 : 38,087.51 = 8,747.83 : x
  2. Step 2: Convert to fraction form
    25,389.97/38,087.51 = 8,747.83/x
  3. Step 3: Cross multiply
    25,389.97x = 38,087.51 × 8,747.83
  4. Step 4: Simplify right side
    25,389.97x = 333,183,018.86
  5. Step 5: Solve for x
    x = 333,183,018.86/25,389.97
  6. Step 6: Final answer
    x = 13,122.62

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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.