Home / 27,944.79-38,563.82-15,369.54

Finding the Fourth Proportional to 27,944.79, 38,563.82 and 15,369.54

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Solution

The fourth proportional to 27,944.79, 38,563.82 and 15,369.54 is: 21,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944.79 : 38,563.82 = 15,369.54 : x
  2. Step 2: Convert to fraction form
    27,944.79/38,563.82 = 15,369.54/x
  3. Step 3: Cross multiply
    27,944.79x = 38,563.82 × 15,369.54
  4. Step 4: Simplify right side
    27,944.79x = 592,708,174.04
  5. Step 5: Solve for x
    x = 592,708,174.04/27,944.79
  6. Step 6: Final answer
    x = 21,209.97

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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.