Home / 27,816.84-38,388.18-15,241.62

Finding the Fourth Proportional to 27,816.84, 38,388.18 and 15,241.62

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Solution

The fourth proportional to 27,816.84, 38,388.18 and 15,241.62 is: 21,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.84 : 38,388.18 = 15,241.62 : x
  2. Step 2: Convert to fraction form
    27,816.84/38,388.18 = 15,241.62/x
  3. Step 3: Cross multiply
    27,816.84x = 38,388.18 × 15,241.62
  4. Step 4: Simplify right side
    27,816.84x = 585,098,052.05
  5. Step 5: Solve for x
    x = 585,098,052.05/27,816.84
  6. Step 6: Final answer
    x = 21,033.95

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1.5x scale

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.