Home / 25,707.27-38,545.33-16,811.86

Finding the Fourth Proportional to 25,707.27, 38,545.33 and 16,811.86

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Solution

The fourth proportional to 25,707.27, 38,545.33 and 16,811.86 is: 25,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.27 : 38,545.33 = 16,811.86 : x
  2. Step 2: Convert to fraction form
    25,707.27/38,545.33 = 16,811.86/x
  3. Step 3: Cross multiply
    25,707.27x = 38,545.33 × 16,811.86
  4. Step 4: Simplify right side
    25,707.27x = 648,018,414.83
  5. Step 5: Solve for x
    x = 648,018,414.83/25,707.27
  6. Step 6: Final answer
    x = 25,207.59

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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.