Home / 26,507.79-39,763.04-6,786.59

Finding the Fourth Proportional to 26,507.79, 39,763.04 and 6,786.59

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Solution

The fourth proportional to 26,507.79, 39,763.04 and 6,786.59 is: 10,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.79 : 39,763.04 = 6,786.59 : x
  2. Step 2: Convert to fraction form
    26,507.79/39,763.04 = 6,786.59/x
  3. Step 3: Cross multiply
    26,507.79x = 39,763.04 × 6,786.59
  4. Step 4: Simplify right side
    26,507.79x = 269,855,216.89
  5. Step 5: Solve for x
    x = 269,855,216.89/26,507.79
  6. Step 6: Final answer
    x = 10,180.22

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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.