Home / 28,828.80-43,241.76-10,103.04

Finding the Fourth Proportional to 28,828.80, 43,241.76 and 10,103.04

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Solution

The fourth proportional to 28,828.80, 43,241.76 and 10,103.04 is: 15,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.80 : 43,241.76 = 10,103.04 : x
  2. Step 2: Convert to fraction form
    28,828.80/43,241.76 = 10,103.04/x
  3. Step 3: Cross multiply
    28,828.80x = 43,241.76 × 10,103.04
  4. Step 4: Simplify right side
    28,828.80x = 436,873,230.95
  5. Step 5: Solve for x
    x = 436,873,230.95/28,828.80
  6. Step 6: Final answer
    x = 15,154.06

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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.