Home / 27,705.44-38,234.99-15,772.62

Finding the Fourth Proportional to 27,705.44, 38,234.99 and 15,772.62

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Solution

The fourth proportional to 27,705.44, 38,234.99 and 15,772.62 is: 21,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.44 : 38,234.99 = 15,772.62 : x
  2. Step 2: Convert to fraction form
    27,705.44/38,234.99 = 15,772.62/x
  3. Step 3: Cross multiply
    27,705.44x = 38,234.99 × 15,772.62
  4. Step 4: Simplify right side
    27,705.44x = 603,066,062.07
  5. Step 5: Solve for x
    x = 603,066,062.07/27,705.44
  6. Step 6: Final answer
    x = 21,767.06

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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.