Home / 27,816.75-38,387.12-15,241.77

Finding the Fourth Proportional to 27,816.75, 38,387.12 and 15,241.77

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Solution

The fourth proportional to 27,816.75, 38,387.12 and 15,241.77 is: 21,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.75 : 38,387.12 = 15,241.77 : x
  2. Step 2: Convert to fraction form
    27,816.75/38,387.12 = 15,241.77/x
  3. Step 3: Cross multiply
    27,816.75x = 38,387.12 × 15,241.77
  4. Step 4: Simplify right side
    27,816.75x = 585,087,577.79
  5. Step 5: Solve for x
    x = 585,087,577.79/27,816.75
  6. Step 6: Final answer
    x = 21,033.64

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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.