Home / 15,982.20-23,916.60-13,924.80

Finding the Fourth Proportional to 15,982.20, 23,916.60 and 13,924.80

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Solution

The fourth proportional to 15,982.20, 23,916.60 and 13,924.80 is: 20,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.20 : 23,916.60 = 13,924.80 : x
  2. Step 2: Convert to fraction form
    15,982.20/23,916.60 = 13,924.80/x
  3. Step 3: Cross multiply
    15,982.20x = 23,916.60 × 13,924.80
  4. Step 4: Simplify right side
    15,982.20x = 333,033,871.68
  5. Step 5: Solve for x
    x = 333,033,871.68/15,982.20
  6. Step 6: Final answer
    x = 20,837.80

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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.