Home / 27,621.58-38,117.79-15,046.33

Finding the Fourth Proportional to 27,621.58, 38,117.79 and 15,046.33

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Solution

The fourth proportional to 27,621.58, 38,117.79 and 15,046.33 is: 20,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.58 : 38,117.79 = 15,046.33 : x
  2. Step 2: Convert to fraction form
    27,621.58/38,117.79 = 15,046.33/x
  3. Step 3: Cross multiply
    27,621.58x = 38,117.79 × 15,046.33
  4. Step 4: Simplify right side
    27,621.58x = 573,532,847.21
  5. Step 5: Solve for x
    x = 573,532,847.21/27,621.58
  6. Step 6: Final answer
    x = 20,763.94

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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.