Home / 25,939.45-38,903.03-11,890.72

Finding the Fourth Proportional to 25,939.45, 38,903.03 and 11,890.72

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Solution

The fourth proportional to 25,939.45, 38,903.03 and 11,890.72 is: 17,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.45 : 38,903.03 = 11,890.72 : x
  2. Step 2: Convert to fraction form
    25,939.45/38,903.03 = 11,890.72/x
  3. Step 3: Cross multiply
    25,939.45x = 38,903.03 × 11,890.72
  4. Step 4: Simplify right side
    25,939.45x = 462,585,036.88
  5. Step 5: Solve for x
    x = 462,585,036.88/25,939.45
  6. Step 6: Final answer
    x = 17,833.26

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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.