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Finding the Fourth Proportional to 29,028, 40,059.11 and 16,284.02

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Solution

The fourth proportional to 29,028, 40,059.11 and 16,284.02 is: 22,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,028 : 40,059.11 = 16,284.02 : x
  2. Step 2: Convert to fraction form
    29,028/40,059.11 = 16,284.02/x
  3. Step 3: Cross multiply
    29,028x = 40,059.11 × 16,284.02
  4. Step 4: Simplify right side
    29,028x = 652,323,367.15
  5. Step 5: Solve for x
    x = 652,323,367.15/29,028
  6. Step 6: Final answer
    x = 22,472.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.