Home / 19,933.70-29,665.24-19,269.32

Finding the Fourth Proportional to 19,933.70, 29,665.24 and 19,269.32

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Solution

The fourth proportional to 19,933.70, 29,665.24 and 19,269.32 is: 28,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.70 : 29,665.24 = 19,269.32 : x
  2. Step 2: Convert to fraction form
    19,933.70/29,665.24 = 19,269.32/x
  3. Step 3: Cross multiply
    19,933.70x = 29,665.24 × 19,269.32
  4. Step 4: Simplify right side
    19,933.70x = 571,629,002.44
  5. Step 5: Solve for x
    x = 571,629,002.44/19,933.70
  6. Step 6: Final answer
    x = 28,676.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.