Home / 23,979.80-35,972.78-12,871.26

Finding the Fourth Proportional to 23,979.80, 35,972.78 and 12,871.26

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Solution

The fourth proportional to 23,979.80, 35,972.78 and 12,871.26 is: 19,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.80 : 35,972.78 = 12,871.26 : x
  2. Step 2: Convert to fraction form
    23,979.80/35,972.78 = 12,871.26/x
  3. Step 3: Cross multiply
    23,979.80x = 35,972.78 × 12,871.26
  4. Step 4: Simplify right side
    23,979.80x = 463,014,939.95
  5. Step 5: Solve for x
    x = 463,014,939.95/23,979.80
  6. Step 6: Final answer
    x = 19,308.54

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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.