Home / 28,817.12-43,204.67-19,433.82

Finding the Fourth Proportional to 28,817.12, 43,204.67 and 19,433.82

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Solution

The fourth proportional to 28,817.12, 43,204.67 and 19,433.82 is: 29,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.12 : 43,204.67 = 19,433.82 : x
  2. Step 2: Convert to fraction form
    28,817.12/43,204.67 = 19,433.82/x
  3. Step 3: Cross multiply
    28,817.12x = 43,204.67 × 19,433.82
  4. Step 4: Simplify right side
    28,817.12x = 839,631,682.77
  5. Step 5: Solve for x
    x = 839,631,682.77/28,817.12
  6. Step 6: Final answer
    x = 29,136.56

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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.