Home / 25,474.18-35,167.80-15,404.86

Finding the Fourth Proportional to 25,474.18, 35,167.80 and 15,404.86

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Solution

The fourth proportional to 25,474.18, 35,167.80 and 15,404.86 is: 21,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.18 : 35,167.80 = 15,404.86 : x
  2. Step 2: Convert to fraction form
    25,474.18/35,167.80 = 15,404.86/x
  3. Step 3: Cross multiply
    25,474.18x = 35,167.80 × 15,404.86
  4. Step 4: Simplify right side
    25,474.18x = 541,755,035.51
  5. Step 5: Solve for x
    x = 541,755,035.51/25,474.18
  6. Step 6: Final answer
    x = 21,266.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.