Home / 26,449.80-39,674.70-25,429.20

Finding the Fourth Proportional to 26,449.80, 39,674.70 and 25,429.20

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Solution

The fourth proportional to 26,449.80, 39,674.70 and 25,429.20 is: 38,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.80 : 39,674.70 = 25,429.20 : x
  2. Step 2: Convert to fraction form
    26,449.80/39,674.70 = 25,429.20/x
  3. Step 3: Cross multiply
    26,449.80x = 39,674.70 × 25,429.20
  4. Step 4: Simplify right side
    26,449.80x = 1,008,895,881.24
  5. Step 5: Solve for x
    x = 1,008,895,881.24/26,449.80
  6. Step 6: Final answer
    x = 38,143.80

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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.