Home / 19,672.89-29,517.41-14,434.62

Finding the Fourth Proportional to 19,672.89, 29,517.41 and 14,434.62

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Solution

The fourth proportional to 19,672.89, 29,517.41 and 14,434.62 is: 21,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.89 : 29,517.41 = 14,434.62 : x
  2. Step 2: Convert to fraction form
    19,672.89/29,517.41 = 14,434.62/x
  3. Step 3: Cross multiply
    19,672.89x = 29,517.41 × 14,434.62
  4. Step 4: Simplify right side
    19,672.89x = 426,072,522.13
  5. Step 5: Solve for x
    x = 426,072,522.13/19,672.89
  6. Step 6: Final answer
    x = 21,657.86

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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.