Home / 27,635.98-38,137.89-15,061.54

Finding the Fourth Proportional to 27,635.98, 38,137.89 and 15,061.54

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Solution

The fourth proportional to 27,635.98, 38,137.89 and 15,061.54 is: 20,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.98 : 38,137.89 = 15,061.54 : x
  2. Step 2: Convert to fraction form
    27,635.98/38,137.89 = 15,061.54/x
  3. Step 3: Cross multiply
    27,635.98x = 38,137.89 × 15,061.54
  4. Step 4: Simplify right side
    27,635.98x = 574,415,355.75
  5. Step 5: Solve for x
    x = 574,415,355.75/27,635.98
  6. Step 6: Final answer
    x = 20,785.05

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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.