Home / 28,764.68-43,129.40-11,214

Finding the Fourth Proportional to 28,764.68, 43,129.40 and 11,214

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Solution

The fourth proportional to 28,764.68, 43,129.40 and 11,214 is: 16,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.68 : 43,129.40 = 11,214 : x
  2. Step 2: Convert to fraction form
    28,764.68/43,129.40 = 11,214/x
  3. Step 3: Cross multiply
    28,764.68x = 43,129.40 × 11,214
  4. Step 4: Simplify right side
    28,764.68x = 483,653,035.53
  5. Step 5: Solve for x
    x = 483,653,035.53/28,764.68
  6. Step 6: Final answer
    x = 16,814.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.