Home / 28,788.77-43,150.32-13,173.59

Finding the Fourth Proportional to 28,788.77, 43,150.32 and 13,173.59

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Solution

The fourth proportional to 28,788.77, 43,150.32 and 13,173.59 is: 19,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.77 : 43,150.32 = 13,173.59 : x
  2. Step 2: Convert to fraction form
    28,788.77/43,150.32 = 13,173.59/x
  3. Step 3: Cross multiply
    28,788.77x = 43,150.32 × 13,173.59
  4. Step 4: Simplify right side
    28,788.77x = 568,444,408.30
  5. Step 5: Solve for x
    x = 568,444,408.30/28,788.77
  6. Step 6: Final answer
    x = 19,745.36

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1.5x scale

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.