Home / 25,289.94-37,922.76-11,951.81

Finding the Fourth Proportional to 25,289.94, 37,922.76 and 11,951.81

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Solution

The fourth proportional to 25,289.94, 37,922.76 and 11,951.81 is: 17,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.94 : 37,922.76 = 11,951.81 : x
  2. Step 2: Convert to fraction form
    25,289.94/37,922.76 = 11,951.81/x
  3. Step 3: Cross multiply
    25,289.94x = 37,922.76 × 11,951.81
  4. Step 4: Simplify right side
    25,289.94x = 453,245,746.88
  5. Step 5: Solve for x
    x = 453,245,746.88/25,289.94
  6. Step 6: Final answer
    x = 17,921.98

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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.