Home / 26,510.96-39,767.84-6,789.68

Finding the Fourth Proportional to 26,510.96, 39,767.84 and 6,789.68

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Solution

The fourth proportional to 26,510.96, 39,767.84 and 6,789.68 is: 10,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.96 : 39,767.84 = 6,789.68 : x
  2. Step 2: Convert to fraction form
    26,510.96/39,767.84 = 6,789.68/x
  3. Step 3: Cross multiply
    26,510.96x = 39,767.84 × 6,789.68
  4. Step 4: Simplify right side
    26,510.96x = 270,010,907.89
  5. Step 5: Solve for x
    x = 270,010,907.89/26,510.96
  6. Step 6: Final answer
    x = 10,184.88

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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.