Home / 27,645.98-38,152.78-15,550.25

Finding the Fourth Proportional to 27,645.98, 38,152.78 and 15,550.25

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Solution

The fourth proportional to 27,645.98, 38,152.78 and 15,550.25 is: 21,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.98 : 38,152.78 = 15,550.25 : x
  2. Step 2: Convert to fraction form
    27,645.98/38,152.78 = 15,550.25/x
  3. Step 3: Cross multiply
    27,645.98x = 38,152.78 × 15,550.25
  4. Step 4: Simplify right side
    27,645.98x = 593,285,037.56
  5. Step 5: Solve for x
    x = 593,285,037.56/27,645.98
  6. Step 6: Final answer
    x = 21,460.09

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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.