Home / 26,696.79-40,048.22-7,977.89

Finding the Fourth Proportional to 26,696.79, 40,048.22 and 7,977.89

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Solution

The fourth proportional to 26,696.79, 40,048.22 and 7,977.89 is: 11,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.79 : 40,048.22 = 7,977.89 : x
  2. Step 2: Convert to fraction form
    26,696.79/40,048.22 = 7,977.89/x
  3. Step 3: Cross multiply
    26,696.79x = 40,048.22 × 7,977.89
  4. Step 4: Simplify right side
    26,696.79x = 319,500,413.92
  5. Step 5: Solve for x
    x = 319,500,413.92/26,696.79
  6. Step 6: Final answer
    x = 11,967.75

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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.