Home / 20,243.90-30,329.40-19,024.04

Finding the Fourth Proportional to 20,243.90, 30,329.40 and 19,024.04

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Solution

The fourth proportional to 20,243.90, 30,329.40 and 19,024.04 is: 28,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.90 : 30,329.40 = 19,024.04 : x
  2. Step 2: Convert to fraction form
    20,243.90/30,329.40 = 19,024.04/x
  3. Step 3: Cross multiply
    20,243.90x = 30,329.40 × 19,024.04
  4. Step 4: Simplify right side
    20,243.90x = 576,987,718.78
  5. Step 5: Solve for x
    x = 576,987,718.78/20,243.90
  6. Step 6: Final answer
    x = 28,501.81

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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.