Home / 28,796.72-39,738.88-16,049.85

Finding the Fourth Proportional to 28,796.72, 39,738.88 and 16,049.85

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Solution

The fourth proportional to 28,796.72, 39,738.88 and 16,049.85 is: 22,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.72 : 39,738.88 = 16,049.85 : x
  2. Step 2: Convert to fraction form
    28,796.72/39,738.88 = 16,049.85/x
  3. Step 3: Cross multiply
    28,796.72x = 39,738.88 × 16,049.85
  4. Step 4: Simplify right side
    28,796.72x = 637,803,224.37
  5. Step 5: Solve for x
    x = 637,803,224.37/28,796.72
  6. Step 6: Final answer
    x = 22,148.47

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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.