Home / 28,749.87-43,122.99-10,734.58

Finding the Fourth Proportional to 28,749.87, 43,122.99 and 10,734.58

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Solution

The fourth proportional to 28,749.87, 43,122.99 and 10,734.58 is: 16,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.87 : 43,122.99 = 10,734.58 : x
  2. Step 2: Convert to fraction form
    28,749.87/43,122.99 = 10,734.58/x
  3. Step 3: Cross multiply
    28,749.87x = 43,122.99 × 10,734.58
  4. Step 4: Simplify right side
    28,749.87x = 462,907,185.99
  5. Step 5: Solve for x
    x = 462,907,185.99/28,749.87
  6. Step 6: Final answer
    x = 16,101.19

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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.