Home / 25,480.78-38,229.37-10,685.72

Finding the Fourth Proportional to 25,480.78, 38,229.37 and 10,685.72

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Solution

The fourth proportional to 25,480.78, 38,229.37 and 10,685.72 is: 16,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.78 : 38,229.37 = 10,685.72 : x
  2. Step 2: Convert to fraction form
    25,480.78/38,229.37 = 10,685.72/x
  3. Step 3: Cross multiply
    25,480.78x = 38,229.37 × 10,685.72
  4. Step 4: Simplify right side
    25,480.78x = 408,508,412.46
  5. Step 5: Solve for x
    x = 408,508,412.46/25,480.78
  6. Step 6: Final answer
    x = 16,032.02

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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.