Home / 25,709.56-38,550.48-13,869.68

Finding the Fourth Proportional to 25,709.56, 38,550.48 and 13,869.68

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Solution

The fourth proportional to 25,709.56, 38,550.48 and 13,869.68 is: 20,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.56 : 38,550.48 = 13,869.68 : x
  2. Step 2: Convert to fraction form
    25,709.56/38,550.48 = 13,869.68/x
  3. Step 3: Cross multiply
    25,709.56x = 38,550.48 × 13,869.68
  4. Step 4: Simplify right side
    25,709.56x = 534,682,821.45
  5. Step 5: Solve for x
    x = 534,682,821.45/25,709.56
  6. Step 6: Final answer
    x = 20,797.04

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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.