Home / 28,747.35-39,682.04-16,814.43

Finding the Fourth Proportional to 28,747.35, 39,682.04 and 16,814.43

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Solution

The fourth proportional to 28,747.35, 39,682.04 and 16,814.43 is: 23,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.35 : 39,682.04 = 16,814.43 : x
  2. Step 2: Convert to fraction form
    28,747.35/39,682.04 = 16,814.43/x
  3. Step 3: Cross multiply
    28,747.35x = 39,682.04 × 16,814.43
  4. Step 4: Simplify right side
    28,747.35x = 667,230,799.77
  5. Step 5: Solve for x
    x = 667,230,799.77/28,747.35
  6. Step 6: Final answer
    x = 23,210.17

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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.