Home / 29,188.57-43,780.80-16,669.36

Finding the Fourth Proportional to 29,188.57, 43,780.80 and 16,669.36

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Solution

The fourth proportional to 29,188.57, 43,780.80 and 16,669.36 is: 25,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.57 : 43,780.80 = 16,669.36 : x
  2. Step 2: Convert to fraction form
    29,188.57/43,780.80 = 16,669.36/x
  3. Step 3: Cross multiply
    29,188.57x = 43,780.80 × 16,669.36
  4. Step 4: Simplify right side
    29,188.57x = 729,797,916.29
  5. Step 5: Solve for x
    x = 729,797,916.29/29,188.57
  6. Step 6: Final answer
    x = 25,002.87

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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.