Home / 28,871.19-43,299.14-11,341.17

Finding the Fourth Proportional to 28,871.19, 43,299.14 and 11,341.17

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Solution

The fourth proportional to 28,871.19, 43,299.14 and 11,341.17 is: 17,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.19 : 43,299.14 = 11,341.17 : x
  2. Step 2: Convert to fraction form
    28,871.19/43,299.14 = 11,341.17/x
  3. Step 3: Cross multiply
    28,871.19x = 43,299.14 × 11,341.17
  4. Step 4: Simplify right side
    28,871.19x = 491,062,850.89
  5. Step 5: Solve for x
    x = 491,062,850.89/28,871.19
  6. Step 6: Final answer
    x = 17,008.75

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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.