Home / 25,320.33-37,939.46-15,429.60

Finding the Fourth Proportional to 25,320.33, 37,939.46 and 15,429.60

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Solution

The fourth proportional to 25,320.33, 37,939.46 and 15,429.60 is: 23,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.33 : 37,939.46 = 15,429.60 : x
  2. Step 2: Convert to fraction form
    25,320.33/37,939.46 = 15,429.60/x
  3. Step 3: Cross multiply
    25,320.33x = 37,939.46 × 15,429.60
  4. Step 4: Simplify right side
    25,320.33x = 585,390,614.87
  5. Step 5: Solve for x
    x = 585,390,614.87/25,320.33
  6. Step 6: Final answer
    x = 23,119.39

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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.