Home / 28,814.55-43,221.83-12,193.35

Finding the Fourth Proportional to 28,814.55, 43,221.83 and 12,193.35

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Solution

The fourth proportional to 28,814.55, 43,221.83 and 12,193.35 is: 18,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.55 : 43,221.83 = 12,193.35 : x
  2. Step 2: Convert to fraction form
    28,814.55/43,221.83 = 12,193.35/x
  3. Step 3: Cross multiply
    28,814.55x = 43,221.83 × 12,193.35
  4. Step 4: Simplify right side
    28,814.55x = 527,018,839.86
  5. Step 5: Solve for x
    x = 527,018,839.86/28,814.55
  6. Step 6: Final answer
    x = 18,290.03

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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.