Home / 25,149.96-37,725.39-7,619.79

Finding the Fourth Proportional to 25,149.96, 37,725.39 and 7,619.79

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Solution

The fourth proportional to 25,149.96, 37,725.39 and 7,619.79 is: 11,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.96 : 37,725.39 = 7,619.79 : x
  2. Step 2: Convert to fraction form
    25,149.96/37,725.39 = 7,619.79/x
  3. Step 3: Cross multiply
    25,149.96x = 37,725.39 × 7,619.79
  4. Step 4: Simplify right side
    25,149.96x = 287,459,549.47
  5. Step 5: Solve for x
    x = 287,459,549.47/25,149.96
  6. Step 6: Final answer
    x = 11,429.82

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1.5x scale

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.