Home / 25,930.73-38,897.42-12,615.95

Finding the Fourth Proportional to 25,930.73, 38,897.42 and 12,615.95

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Solution

The fourth proportional to 25,930.73, 38,897.42 and 12,615.95 is: 18,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.73 : 38,897.42 = 12,615.95 : x
  2. Step 2: Convert to fraction form
    25,930.73/38,897.42 = 12,615.95/x
  3. Step 3: Cross multiply
    25,930.73x = 38,897.42 × 12,615.95
  4. Step 4: Simplify right side
    25,930.73x = 490,727,940.01
  5. Step 5: Solve for x
    x = 490,727,940.01/25,930.73
  6. Step 6: Final answer
    x = 18,924.57

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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.