Home / 15,084.85-22,628.43-3,991.25

Finding the Fourth Proportional to 15,084.85, 22,628.43 and 3,991.25

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Solution

The fourth proportional to 15,084.85, 22,628.43 and 3,991.25 is: 5,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.85 : 22,628.43 = 3,991.25 : x
  2. Step 2: Convert to fraction form
    15,084.85/22,628.43 = 3,991.25/x
  3. Step 3: Cross multiply
    15,084.85x = 22,628.43 × 3,991.25
  4. Step 4: Simplify right side
    15,084.85x = 90,315,588.14
  5. Step 5: Solve for x
    x = 90,315,588.14/15,084.85
  6. Step 6: Final answer
    x = 5,987.17

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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.