Home / 26,948.97-40,385.79-12,152.70

Finding the Fourth Proportional to 26,948.97, 40,385.79 and 12,152.70

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Solution

The fourth proportional to 26,948.97, 40,385.79 and 12,152.70 is: 18,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.97 : 40,385.79 = 12,152.70 : x
  2. Step 2: Convert to fraction form
    26,948.97/40,385.79 = 12,152.70/x
  3. Step 3: Cross multiply
    26,948.97x = 40,385.79 × 12,152.70
  4. Step 4: Simplify right side
    26,948.97x = 490,796,390.13
  5. Step 5: Solve for x
    x = 490,796,390.13/26,948.97
  6. Step 6: Final answer
    x = 18,212.06

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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.