Home / 28,933.20-43,362-15,782.04

Finding the Fourth Proportional to 28,933.20, 43,362 and 15,782.04

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Solution

The fourth proportional to 28,933.20, 43,362 and 15,782.04 is: 23,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.20 : 43,362 = 15,782.04 : x
  2. Step 2: Convert to fraction form
    28,933.20/43,362 = 15,782.04/x
  3. Step 3: Cross multiply
    28,933.20x = 43,362 × 15,782.04
  4. Step 4: Simplify right side
    28,933.20x = 684,340,818.48
  5. Step 5: Solve for x
    x = 684,340,818.48/28,933.20
  6. Step 6: Final answer
    x = 23,652.44

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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.