Home / 25,435.49-38,140.94-8,789.69

Finding the Fourth Proportional to 25,435.49, 38,140.94 and 8,789.69

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Solution

The fourth proportional to 25,435.49, 38,140.94 and 8,789.69 is: 13,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.49 : 38,140.94 = 8,789.69 : x
  2. Step 2: Convert to fraction form
    25,435.49/38,140.94 = 8,789.69/x
  3. Step 3: Cross multiply
    25,435.49x = 38,140.94 × 8,789.69
  4. Step 4: Simplify right side
    25,435.49x = 335,246,804.26
  5. Step 5: Solve for x
    x = 335,246,804.26/25,435.49
  6. Step 6: Final answer
    x = 13,180.28

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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.