Home / 27,563.80-38,049.69-18,623.42

Finding the Fourth Proportional to 27,563.80, 38,049.69 and 18,623.42

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Solution

The fourth proportional to 27,563.80, 38,049.69 and 18,623.42 is: 25,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.80 : 38,049.69 = 18,623.42 : x
  2. Step 2: Convert to fraction form
    27,563.80/38,049.69 = 18,623.42/x
  3. Step 3: Cross multiply
    27,563.80x = 38,049.69 × 18,623.42
  4. Step 4: Simplify right side
    27,563.80x = 708,615,327.64
  5. Step 5: Solve for x
    x = 708,615,327.64/27,563.80
  6. Step 6: Final answer
    x = 25,708.19

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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.