Home / 27,950.64-38,571.12-15,375.36

Finding the Fourth Proportional to 27,950.64, 38,571.12 and 15,375.36

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Solution

The fourth proportional to 27,950.64, 38,571.12 and 15,375.36 is: 21,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.64 : 38,571.12 = 15,375.36 : x
  2. Step 2: Convert to fraction form
    27,950.64/38,571.12 = 15,375.36/x
  3. Step 3: Cross multiply
    27,950.64x = 38,571.12 × 15,375.36
  4. Step 4: Simplify right side
    27,950.64x = 593,044,855.60
  5. Step 5: Solve for x
    x = 593,044,855.60/27,950.64
  6. Step 6: Final answer
    x = 21,217.58

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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.