Home / 26,679.87-40,020.53-6,957.99

Finding the Fourth Proportional to 26,679.87, 40,020.53 and 6,957.99

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Solution

The fourth proportional to 26,679.87, 40,020.53 and 6,957.99 is: 10,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.87 : 40,020.53 = 6,957.99 : x
  2. Step 2: Convert to fraction form
    26,679.87/40,020.53 = 6,957.99/x
  3. Step 3: Cross multiply
    26,679.87x = 40,020.53 × 6,957.99
  4. Step 4: Simplify right side
    26,679.87x = 278,462,412.74
  5. Step 5: Solve for x
    x = 278,462,412.74/26,679.87
  6. Step 6: Final answer
    x = 10,437.17

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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.