Home / 25,986.97-35,871.24-15,376.58

Finding the Fourth Proportional to 25,986.97, 35,871.24 and 15,376.58

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Solution

The fourth proportional to 25,986.97, 35,871.24 and 15,376.58 is: 21,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.97 : 35,871.24 = 15,376.58 : x
  2. Step 2: Convert to fraction form
    25,986.97/35,871.24 = 15,376.58/x
  3. Step 3: Cross multiply
    25,986.97x = 35,871.24 × 15,376.58
  4. Step 4: Simplify right side
    25,986.97x = 551,576,914.68
  5. Step 5: Solve for x
    x = 551,576,914.68/25,986.97
  6. Step 6: Final answer
    x = 21,225.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.