Home / 25,818-38,704.05-9,175.83

Finding the Fourth Proportional to 25,818, 38,704.05 and 9,175.83

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Solution

The fourth proportional to 25,818, 38,704.05 and 9,175.83 is: 13,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818 : 38,704.05 = 9,175.83 : x
  2. Step 2: Convert to fraction form
    25,818/38,704.05 = 9,175.83/x
  3. Step 3: Cross multiply
    25,818x = 38,704.05 × 9,175.83
  4. Step 4: Simplify right side
    25,818x = 355,141,783.11
  5. Step 5: Solve for x
    x = 355,141,783.11/25,818
  6. Step 6: Final answer
    x = 13,755.59

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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.