Home / 28,829.21-43,265.70-19,446.98

Finding the Fourth Proportional to 28,829.21, 43,265.70 and 19,446.98

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Solution

The fourth proportional to 28,829.21, 43,265.70 and 19,446.98 is: 29,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.21 : 43,265.70 = 19,446.98 : x
  2. Step 2: Convert to fraction form
    28,829.21/43,265.70 = 19,446.98/x
  3. Step 3: Cross multiply
    28,829.21x = 43,265.70 × 19,446.98
  4. Step 4: Simplify right side
    28,829.21x = 841,387,310.75
  5. Step 5: Solve for x
    x = 841,387,310.75/28,829.21
  6. Step 6: Final answer
    x = 29,185.23

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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.