Home / 27,817.28-38,389.28-15,241.28

Finding the Fourth Proportional to 27,817.28, 38,389.28 and 15,241.28

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Solution

The fourth proportional to 27,817.28, 38,389.28 and 15,241.28 is: 21,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.28 : 38,389.28 = 15,241.28 : x
  2. Step 2: Convert to fraction form
    27,817.28/38,389.28 = 15,241.28/x
  3. Step 3: Cross multiply
    27,817.28x = 38,389.28 × 15,241.28
  4. Step 4: Simplify right side
    27,817.28x = 585,101,765.48
  5. Step 5: Solve for x
    x = 585,101,765.48/27,817.28
  6. Step 6: Final answer
    x = 21,033.75

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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.