Home / 25,709.55-38,550.49-13,869.68

Finding the Fourth Proportional to 25,709.55, 38,550.49 and 13,869.68

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Solution

The fourth proportional to 25,709.55, 38,550.49 and 13,869.68 is: 20,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.55 : 38,550.49 = 13,869.68 : x
  2. Step 2: Convert to fraction form
    25,709.55/38,550.49 = 13,869.68/x
  3. Step 3: Cross multiply
    25,709.55x = 38,550.49 × 13,869.68
  4. Step 4: Simplify right side
    25,709.55x = 534,682,960.14
  5. Step 5: Solve for x
    x = 534,682,960.14/25,709.55
  6. Step 6: Final answer
    x = 20,797.06

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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.