Home / 20,898.23-31,364.85-19,584.62

Finding the Fourth Proportional to 20,898.23, 31,364.85 and 19,584.62

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Solution

The fourth proportional to 20,898.23, 31,364.85 and 19,584.62 is: 29,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898.23 : 31,364.85 = 19,584.62 : x
  2. Step 2: Convert to fraction form
    20,898.23/31,364.85 = 19,584.62/x
  3. Step 3: Cross multiply
    20,898.23x = 31,364.85 × 19,584.62
  4. Step 4: Simplify right side
    20,898.23x = 614,268,668.61
  5. Step 5: Solve for x
    x = 614,268,668.61/20,898.23
  6. Step 6: Final answer
    x = 29,393.33

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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.