Home / 26,090.84-39,128.06-8,556.56

Finding the Fourth Proportional to 26,090.84, 39,128.06 and 8,556.56

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Solution

The fourth proportional to 26,090.84, 39,128.06 and 8,556.56 is: 12,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.84 : 39,128.06 = 8,556.56 : x
  2. Step 2: Convert to fraction form
    26,090.84/39,128.06 = 8,556.56/x
  3. Step 3: Cross multiply
    26,090.84x = 39,128.06 × 8,556.56
  4. Step 4: Simplify right side
    26,090.84x = 334,801,593.07
  5. Step 5: Solve for x
    x = 334,801,593.07/26,090.84
  6. Step 6: Final answer
    x = 12,832.15

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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.