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Finding the Fourth Proportional to 29,246.80, 43,918.80 and 16,108.60

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Solution

The fourth proportional to 29,246.80, 43,918.80 and 16,108.60 is: 24,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.80 : 43,918.80 = 16,108.60 : x
  2. Step 2: Convert to fraction form
    29,246.80/43,918.80 = 16,108.60/x
  3. Step 3: Cross multiply
    29,246.80x = 43,918.80 × 16,108.60
  4. Step 4: Simplify right side
    29,246.80x = 707,470,381.68
  5. Step 5: Solve for x
    x = 707,470,381.68/29,246.80
  6. Step 6: Final answer
    x = 24,189.67

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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.