Home / 27,211.88-37,550.39-15,277.05

Finding the Fourth Proportional to 27,211.88, 37,550.39 and 15,277.05

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Solution

The fourth proportional to 27,211.88, 37,550.39 and 15,277.05 is: 21,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.88 : 37,550.39 = 15,277.05 : x
  2. Step 2: Convert to fraction form
    27,211.88/37,550.39 = 15,277.05/x
  3. Step 3: Cross multiply
    27,211.88x = 37,550.39 × 15,277.05
  4. Step 4: Simplify right side
    27,211.88x = 573,659,109.16
  5. Step 5: Solve for x
    x = 573,659,109.16/27,211.88
  6. Step 6: Final answer
    x = 21,081.20

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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.