Home / 27,623.03-38,119.82-15,047.78

Finding the Fourth Proportional to 27,623.03, 38,119.82 and 15,047.78

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Solution

The fourth proportional to 27,623.03, 38,119.82 and 15,047.78 is: 20,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.03 : 38,119.82 = 15,047.78 : x
  2. Step 2: Convert to fraction form
    27,623.03/38,119.82 = 15,047.78/x
  3. Step 3: Cross multiply
    27,623.03x = 38,119.82 × 15,047.78
  4. Step 4: Simplify right side
    27,623.03x = 573,618,399.16
  5. Step 5: Solve for x
    x = 573,618,399.16/27,623.03
  6. Step 6: Final answer
    x = 20,765.95

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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.