Home / 27,816.75-38,387.16-15,241.50

Finding the Fourth Proportional to 27,816.75, 38,387.16 and 15,241.50

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Solution

The fourth proportional to 27,816.75, 38,387.16 and 15,241.50 is: 21,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.75 : 38,387.16 = 15,241.50 : x
  2. Step 2: Convert to fraction form
    27,816.75/38,387.16 = 15,241.50/x
  3. Step 3: Cross multiply
    27,816.75x = 38,387.16 × 15,241.50
  4. Step 4: Simplify right side
    27,816.75x = 585,077,899.14
  5. Step 5: Solve for x
    x = 585,077,899.14/27,816.75
  6. Step 6: Final answer
    x = 21,033.29

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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.