Home / 26,821.80-40,232.70-7,102.35

Finding the Fourth Proportional to 26,821.80, 40,232.70 and 7,102.35

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Solution

The fourth proportional to 26,821.80, 40,232.70 and 7,102.35 is: 10,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.80 : 40,232.70 = 7,102.35 : x
  2. Step 2: Convert to fraction form
    26,821.80/40,232.70 = 7,102.35/x
  3. Step 3: Cross multiply
    26,821.80x = 40,232.70 × 7,102.35
  4. Step 4: Simplify right side
    26,821.80x = 285,746,716.85
  5. Step 5: Solve for x
    x = 285,746,716.85/26,821.80
  6. Step 6: Final answer
    x = 10,653.53

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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.