Home / 28,782.84-43,179.30-13,202.04

Finding the Fourth Proportional to 28,782.84, 43,179.30 and 13,202.04

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Solution

The fourth proportional to 28,782.84, 43,179.30 and 13,202.04 is: 19,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.84 : 43,179.30 = 13,202.04 : x
  2. Step 2: Convert to fraction form
    28,782.84/43,179.30 = 13,202.04/x
  3. Step 3: Cross multiply
    28,782.84x = 43,179.30 × 13,202.04
  4. Step 4: Simplify right side
    28,782.84x = 570,054,845.77
  5. Step 5: Solve for x
    x = 570,054,845.77/28,782.84
  6. Step 6: Final answer
    x = 19,805.37

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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.