Home / 73,019.22-109,528.82-28,666.86

Finding the Fourth Proportional to 73,019.22, 109,528.82 and 28,666.86

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Solution

The fourth proportional to 73,019.22, 109,528.82 and 28,666.86 is: 43,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.22 : 109,528.82 = 28,666.86 : x
  2. Step 2: Convert to fraction form
    73,019.22/109,528.82 = 28,666.86/x
  3. Step 3: Cross multiply
    73,019.22x = 109,528.82 × 28,666.86
  4. Step 4: Simplify right side
    73,019.22x = 3,139,847,348.91
  5. Step 5: Solve for x
    x = 3,139,847,348.91/73,019.22
  6. Step 6: Final answer
    x = 43,000.29

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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.