Home / 25,149.68-37,725-7,619.44

Finding the Fourth Proportional to 25,149.68, 37,725 and 7,619.44

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Solution

The fourth proportional to 25,149.68, 37,725 and 7,619.44 is: 11,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.68 : 37,725 = 7,619.44 : x
  2. Step 2: Convert to fraction form
    25,149.68/37,725 = 7,619.44/x
  3. Step 3: Cross multiply
    25,149.68x = 37,725 × 7,619.44
  4. Step 4: Simplify right side
    25,149.68x = 287,443,374
  5. Step 5: Solve for x
    x = 287,443,374/25,149.68
  6. Step 6: Final answer
    x = 11,429.31

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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.