Home / 20,269.92-30,357.90-19,569.36

Finding the Fourth Proportional to 20,269.92, 30,357.90 and 19,569.36

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Solution

The fourth proportional to 20,269.92, 30,357.90 and 19,569.36 is: 29,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.92 : 30,357.90 = 19,569.36 : x
  2. Step 2: Convert to fraction form
    20,269.92/30,357.90 = 19,569.36/x
  3. Step 3: Cross multiply
    20,269.92x = 30,357.90 × 19,569.36
  4. Step 4: Simplify right side
    20,269.92x = 594,084,673.94
  5. Step 5: Solve for x
    x = 594,084,673.94/20,269.92
  6. Step 6: Final answer
    x = 29,308.68

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1.5x scale

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.