Home / 28,107.27-42,162.51-10,577.25

Finding the Fourth Proportional to 28,107.27, 42,162.51 and 10,577.25

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Solution

The fourth proportional to 28,107.27, 42,162.51 and 10,577.25 is: 15,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.27 : 42,162.51 = 10,577.25 : x
  2. Step 2: Convert to fraction form
    28,107.27/42,162.51 = 10,577.25/x
  3. Step 3: Cross multiply
    28,107.27x = 42,162.51 × 10,577.25
  4. Step 4: Simplify right side
    28,107.27x = 445,963,408.90
  5. Step 5: Solve for x
    x = 445,963,408.90/28,107.27
  6. Step 6: Final answer
    x = 15,866.48

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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.