Home / 27,656.72-41,485.11-11,851.50

Finding the Fourth Proportional to 27,656.72, 41,485.11 and 11,851.50

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Solution

The fourth proportional to 27,656.72, 41,485.11 and 11,851.50 is: 17,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.72 : 41,485.11 = 11,851.50 : x
  2. Step 2: Convert to fraction form
    27,656.72/41,485.11 = 11,851.50/x
  3. Step 3: Cross multiply
    27,656.72x = 41,485.11 × 11,851.50
  4. Step 4: Simplify right side
    27,656.72x = 491,660,781.17
  5. Step 5: Solve for x
    x = 491,660,781.17/27,656.72
  6. Step 6: Final answer
    x = 17,777.27

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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.