Home / 28,533.60-42,777.19-11,906.02

Finding the Fourth Proportional to 28,533.60, 42,777.19 and 11,906.02

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Solution

The fourth proportional to 28,533.60, 42,777.19 and 11,906.02 is: 17,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.60 : 42,777.19 = 11,906.02 : x
  2. Step 2: Convert to fraction form
    28,533.60/42,777.19 = 11,906.02/x
  3. Step 3: Cross multiply
    28,533.60x = 42,777.19 × 11,906.02
  4. Step 4: Simplify right side
    28,533.60x = 509,305,942.98
  5. Step 5: Solve for x
    x = 509,305,942.98/28,533.60
  6. Step 6: Final answer
    x = 17,849.34

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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.