Home / 25,869.92-38,811.36-8,339.36

Finding the Fourth Proportional to 25,869.92, 38,811.36 and 8,339.36

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Solution

The fourth proportional to 25,869.92, 38,811.36 and 8,339.36 is: 12,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.92 : 38,811.36 = 8,339.36 : x
  2. Step 2: Convert to fraction form
    25,869.92/38,811.36 = 8,339.36/x
  3. Step 3: Cross multiply
    25,869.92x = 38,811.36 × 8,339.36
  4. Step 4: Simplify right side
    25,869.92x = 323,661,903.13
  5. Step 5: Solve for x
    x = 323,661,903.13/25,869.92
  6. Step 6: Final answer
    x = 12,511.13

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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.