Home / 20,877.08-31,319.97-6,836.00

Finding the Fourth Proportional to 20,877.08, 31,319.97 and 6,836.00

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Solution

The fourth proportional to 20,877.08, 31,319.97 and 6,836.00 is: 10,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877.08 : 31,319.97 = 6,836.00 : x
  2. Step 2: Convert to fraction form
    20,877.08/31,319.97 = 6,836.00/x
  3. Step 3: Cross multiply
    20,877.08x = 31,319.97 × 6,836.00
  4. Step 4: Simplify right side
    20,877.08x = 214,103,132.69
  5. Step 5: Solve for x
    x = 214,103,132.69/20,877.08
  6. Step 6: Final answer
    x = 10,255.42

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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.