Home / 20,424.54-28,165.10-19,233.96

Finding the Fourth Proportional to 20,424.54, 28,165.10 and 19,233.96

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Solution

The fourth proportional to 20,424.54, 28,165.10 and 19,233.96 is: 26,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424.54 : 28,165.10 = 19,233.96 : x
  2. Step 2: Convert to fraction form
    20,424.54/28,165.10 = 19,233.96/x
  3. Step 3: Cross multiply
    20,424.54x = 28,165.10 × 19,233.96
  4. Step 4: Simplify right side
    20,424.54x = 541,726,406.80
  5. Step 5: Solve for x
    x = 541,726,406.80/20,424.54
  6. Step 6: Final answer
    x = 26,523.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.