Home / 27,985.78-41,983.22-8,266.33

Finding the Fourth Proportional to 27,985.78, 41,983.22 and 8,266.33

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Solution

The fourth proportional to 27,985.78, 41,983.22 and 8,266.33 is: 12,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.78 : 41,983.22 = 8,266.33 : x
  2. Step 2: Convert to fraction form
    27,985.78/41,983.22 = 8,266.33/x
  3. Step 3: Cross multiply
    27,985.78x = 41,983.22 × 8,266.33
  4. Step 4: Simplify right side
    27,985.78x = 347,047,150.98
  5. Step 5: Solve for x
    x = 347,047,150.98/27,985.78
  6. Step 6: Final answer
    x = 12,400.84

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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.