Home / 27,794.96-38,357.22-15,220.88

Finding the Fourth Proportional to 27,794.96, 38,357.22 and 15,220.88

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Solution

The fourth proportional to 27,794.96, 38,357.22 and 15,220.88 is: 21,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.96 : 38,357.22 = 15,220.88 : x
  2. Step 2: Convert to fraction form
    27,794.96/38,357.22 = 15,220.88/x
  3. Step 3: Cross multiply
    27,794.96x = 38,357.22 × 15,220.88
  4. Step 4: Simplify right side
    27,794.96x = 583,830,642.75
  5. Step 5: Solve for x
    x = 583,830,642.75/27,794.96
  6. Step 6: Final answer
    x = 21,004.91

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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.