Home / 25,964.21-38,980.82-17,558.94

Finding the Fourth Proportional to 25,964.21, 38,980.82 and 17,558.94

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Solution

The fourth proportional to 25,964.21, 38,980.82 and 17,558.94 is: 26,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.21 : 38,980.82 = 17,558.94 : x
  2. Step 2: Convert to fraction form
    25,964.21/38,980.82 = 17,558.94/x
  3. Step 3: Cross multiply
    25,964.21x = 38,980.82 × 17,558.94
  4. Step 4: Simplify right side
    25,964.21x = 684,461,791.74
  5. Step 5: Solve for x
    x = 684,461,791.74/25,964.21
  6. Step 6: Final answer
    x = 26,361.75

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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.