Home / 25,709.05-38,556.01-11,660.95

Finding the Fourth Proportional to 25,709.05, 38,556.01 and 11,660.95

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Solution

The fourth proportional to 25,709.05, 38,556.01 and 11,660.95 is: 17,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.05 : 38,556.01 = 11,660.95 : x
  2. Step 2: Convert to fraction form
    25,709.05/38,556.01 = 11,660.95/x
  3. Step 3: Cross multiply
    25,709.05x = 38,556.01 × 11,660.95
  4. Step 4: Simplify right side
    25,709.05x = 449,599,704.81
  5. Step 5: Solve for x
    x = 449,599,704.81/25,709.05
  6. Step 6: Final answer
    x = 17,487.99

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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.