Home / 27,950.16-38,571.72-15,374.88

Finding the Fourth Proportional to 27,950.16, 38,571.72 and 15,374.88

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Solution

The fourth proportional to 27,950.16, 38,571.72 and 15,374.88 is: 21,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.16 : 38,571.72 = 15,374.88 : x
  2. Step 2: Convert to fraction form
    27,950.16/38,571.72 = 15,374.88/x
  3. Step 3: Cross multiply
    27,950.16x = 38,571.72 × 15,374.88
  4. Step 4: Simplify right side
    27,950.16x = 593,035,566.39
  5. Step 5: Solve for x
    x = 593,035,566.39/27,950.16
  6. Step 6: Final answer
    x = 21,217.61

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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.