Home / 27,992.16-41,993.10-8,271.90

Finding the Fourth Proportional to 27,992.16, 41,993.10 and 8,271.90

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Solution

The fourth proportional to 27,992.16, 41,993.10 and 8,271.90 is: 12,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.16 : 41,993.10 = 8,271.90 : x
  2. Step 2: Convert to fraction form
    27,992.16/41,993.10 = 8,271.90/x
  3. Step 3: Cross multiply
    27,992.16x = 41,993.10 × 8,271.90
  4. Step 4: Simplify right side
    27,992.16x = 347,362,723.89
  5. Step 5: Solve for x
    x = 347,362,723.89/27,992.16
  6. Step 6: Final answer
    x = 12,409.29

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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.