Home / 28,023.75-42,052.17-11,382.48

Finding the Fourth Proportional to 28,023.75, 42,052.17 and 11,382.48

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Solution

The fourth proportional to 28,023.75, 42,052.17 and 11,382.48 is: 17,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.75 : 42,052.17 = 11,382.48 : x
  2. Step 2: Convert to fraction form
    28,023.75/42,052.17 = 11,382.48/x
  3. Step 3: Cross multiply
    28,023.75x = 42,052.17 × 11,382.48
  4. Step 4: Simplify right side
    28,023.75x = 478,657,983.98
  5. Step 5: Solve for x
    x = 478,657,983.98/28,023.75
  6. Step 6: Final answer
    x = 17,080.44

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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.