Home / 28,362.24-42,557.71-11,734.20

Finding the Fourth Proportional to 28,362.24, 42,557.71 and 11,734.20

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Solution

The fourth proportional to 28,362.24, 42,557.71 and 11,734.20 is: 17,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.24 : 42,557.71 = 11,734.20 : x
  2. Step 2: Convert to fraction form
    28,362.24/42,557.71 = 11,734.20/x
  3. Step 3: Cross multiply
    28,362.24x = 42,557.71 × 11,734.20
  4. Step 4: Simplify right side
    28,362.24x = 499,380,861.14
  5. Step 5: Solve for x
    x = 499,380,861.14/28,362.24
  6. Step 6: Final answer
    x = 17,607.24

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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.