Home / 28,299.17-42,448.73-7,239.24

Finding the Fourth Proportional to 28,299.17, 42,448.73 and 7,239.24

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Solution

The fourth proportional to 28,299.17, 42,448.73 and 7,239.24 is: 10,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.17 : 42,448.73 = 7,239.24 : x
  2. Step 2: Convert to fraction form
    28,299.17/42,448.73 = 7,239.24/x
  3. Step 3: Cross multiply
    28,299.17x = 42,448.73 × 7,239.24
  4. Step 4: Simplify right side
    28,299.17x = 307,296,507.97
  5. Step 5: Solve for x
    x = 307,296,507.97/28,299.17
  6. Step 6: Final answer
    x = 10,858.85

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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.