Home / 20,784.26-31,181.00-5,992.02

Finding the Fourth Proportional to 20,784.26, 31,181.00 and 5,992.02

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Solution

The fourth proportional to 20,784.26, 31,181.00 and 5,992.02 is: 8,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784.26 : 31,181.00 = 5,992.02 : x
  2. Step 2: Convert to fraction form
    20,784.26/31,181.00 = 5,992.02/x
  3. Step 3: Cross multiply
    20,784.26x = 31,181.00 × 5,992.02
  4. Step 4: Simplify right side
    20,784.26x = 186,837,267.06
  5. Step 5: Solve for x
    x = 186,837,267.06/20,784.26
  6. Step 6: Final answer
    x = 8,989.36

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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.