Home / 27,949.58-38,571.16-15,374.66

Finding the Fourth Proportional to 27,949.58, 38,571.16 and 15,374.66

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Solution

The fourth proportional to 27,949.58, 38,571.16 and 15,374.66 is: 21,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.58 : 38,571.16 = 15,374.66 : x
  2. Step 2: Convert to fraction form
    27,949.58/38,571.16 = 15,374.66/x
  3. Step 3: Cross multiply
    27,949.58x = 38,571.16 × 15,374.66
  4. Step 4: Simplify right side
    27,949.58x = 593,018,470.81
  5. Step 5: Solve for x
    x = 593,018,470.81/27,949.58
  6. Step 6: Final answer
    x = 21,217.44

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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.