Home / 25,600.86-38,403.23-8,728.62

Finding the Fourth Proportional to 25,600.86, 38,403.23 and 8,728.62

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Solution

The fourth proportional to 25,600.86, 38,403.23 and 8,728.62 is: 13,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.86 : 38,403.23 = 8,728.62 : x
  2. Step 2: Convert to fraction form
    25,600.86/38,403.23 = 8,728.62/x
  3. Step 3: Cross multiply
    25,600.86x = 38,403.23 × 8,728.62
  4. Step 4: Simplify right side
    25,600.86x = 335,207,157.80
  5. Step 5: Solve for x
    x = 335,207,157.80/25,600.86
  6. Step 6: Final answer
    x = 13,093.59

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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.