Home / 25,394-38,105.58-19,831.73

Finding the Fourth Proportional to 25,394, 38,105.58 and 19,831.73

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Solution

The fourth proportional to 25,394, 38,105.58 and 19,831.73 is: 29,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394 : 38,105.58 = 19,831.73 : x
  2. Step 2: Convert to fraction form
    25,394/38,105.58 = 19,831.73/x
  3. Step 3: Cross multiply
    25,394x = 38,105.58 × 19,831.73
  4. Step 4: Simplify right side
    25,394x = 755,699,574.05
  5. Step 5: Solve for x
    x = 755,699,574.05/25,394
  6. Step 6: Final answer
    x = 29,758.98

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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.