Home / 26,100.99-39,101.10-15,579.42

Finding the Fourth Proportional to 26,100.99, 39,101.10 and 15,579.42

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Solution

The fourth proportional to 26,100.99, 39,101.10 and 15,579.42 is: 23,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.99 : 39,101.10 = 15,579.42 : x
  2. Step 2: Convert to fraction form
    26,100.99/39,101.10 = 15,579.42/x
  3. Step 3: Cross multiply
    26,100.99x = 39,101.10 × 15,579.42
  4. Step 4: Simplify right side
    26,100.99x = 609,172,459.36
  5. Step 5: Solve for x
    x = 609,172,459.36/26,100.99
  6. Step 6: Final answer
    x = 23,339.06

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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.