Home / 27,986.52-41,985.96-9,272.40

Finding the Fourth Proportional to 27,986.52, 41,985.96 and 9,272.40

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Solution

The fourth proportional to 27,986.52, 41,985.96 and 9,272.40 is: 13,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.52 : 41,985.96 = 9,272.40 : x
  2. Step 2: Convert to fraction form
    27,986.52/41,985.96 = 9,272.40/x
  3. Step 3: Cross multiply
    27,986.52x = 41,985.96 × 9,272.40
  4. Step 4: Simplify right side
    27,986.52x = 389,310,615.50
  5. Step 5: Solve for x
    x = 389,310,615.50/27,986.52
  6. Step 6: Final answer
    x = 13,910.65

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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.