Home / 25,429.23-38,148.96-8,789.91

Finding the Fourth Proportional to 25,429.23, 38,148.96 and 8,789.91

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Solution

The fourth proportional to 25,429.23, 38,148.96 and 8,789.91 is: 13,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.23 : 38,148.96 = 8,789.91 : x
  2. Step 2: Convert to fraction form
    25,429.23/38,148.96 = 8,789.91/x
  3. Step 3: Cross multiply
    25,429.23x = 38,148.96 × 8,789.91
  4. Step 4: Simplify right side
    25,429.23x = 335,325,924.99
  5. Step 5: Solve for x
    x = 335,325,924.99/25,429.23
  6. Step 6: Final answer
    x = 13,186.63

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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.