Home / 28,993.28-43,480.80-17,883.32

Finding the Fourth Proportional to 28,993.28, 43,480.80 and 17,883.32

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Solution

The fourth proportional to 28,993.28, 43,480.80 and 17,883.32 is: 26,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.28 : 43,480.80 = 17,883.32 : x
  2. Step 2: Convert to fraction form
    28,993.28/43,480.80 = 17,883.32/x
  3. Step 3: Cross multiply
    28,993.28x = 43,480.80 × 17,883.32
  4. Step 4: Simplify right side
    28,993.28x = 777,580,842.85
  5. Step 5: Solve for x
    x = 777,580,842.85/28,993.28
  6. Step 6: Final answer
    x = 26,819.35

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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.