Home / 28,371.28-42,551.43-10,836.94

Finding the Fourth Proportional to 28,371.28, 42,551.43 and 10,836.94

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Solution

The fourth proportional to 28,371.28, 42,551.43 and 10,836.94 is: 16,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.28 : 42,551.43 = 10,836.94 : x
  2. Step 2: Convert to fraction form
    28,371.28/42,551.43 = 10,836.94/x
  3. Step 3: Cross multiply
    28,371.28x = 42,551.43 × 10,836.94
  4. Step 4: Simplify right side
    28,371.28x = 461,127,293.82
  5. Step 5: Solve for x
    x = 461,127,293.82/28,371.28
  6. Step 6: Final answer
    x = 16,253.31

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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.