Home / 27,764.44-38,315.48-15,189.46

Finding the Fourth Proportional to 27,764.44, 38,315.48 and 15,189.46

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Solution

The fourth proportional to 27,764.44, 38,315.48 and 15,189.46 is: 20,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.44 : 38,315.48 = 15,189.46 : x
  2. Step 2: Convert to fraction form
    27,764.44/38,315.48 = 15,189.46/x
  3. Step 3: Cross multiply
    27,764.44x = 38,315.48 × 15,189.46
  4. Step 4: Simplify right side
    27,764.44x = 581,991,336.07
  5. Step 5: Solve for x
    x = 581,991,336.07/27,764.44
  6. Step 6: Final answer
    x = 20,961.75

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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.