Home / 19,774.12-27,292.26-15,049.96

Finding the Fourth Proportional to 19,774.12, 27,292.26 and 15,049.96

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Solution

The fourth proportional to 19,774.12, 27,292.26 and 15,049.96 is: 20,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.12 : 27,292.26 = 15,049.96 : x
  2. Step 2: Convert to fraction form
    19,774.12/27,292.26 = 15,049.96/x
  3. Step 3: Cross multiply
    19,774.12x = 27,292.26 × 15,049.96
  4. Step 4: Simplify right side
    19,774.12x = 410,747,421.31
  5. Step 5: Solve for x
    x = 410,747,421.31/19,774.12
  6. Step 6: Final answer
    x = 20,771.97

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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.