Home / 19,825.68-29,748.21-8,730.99

Finding the Fourth Proportional to 19,825.68, 29,748.21 and 8,730.99

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Solution

The fourth proportional to 19,825.68, 29,748.21 and 8,730.99 is: 13,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.68 : 29,748.21 = 8,730.99 : x
  2. Step 2: Convert to fraction form
    19,825.68/29,748.21 = 8,730.99/x
  3. Step 3: Cross multiply
    19,825.68x = 29,748.21 × 8,730.99
  4. Step 4: Simplify right side
    19,825.68x = 259,731,324.03
  5. Step 5: Solve for x
    x = 259,731,324.03/19,825.68
  6. Step 6: Final answer
    x = 13,100.75

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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.