Home / 25,516.50-38,247.41-12,339.83

Finding the Fourth Proportional to 25,516.50, 38,247.41 and 12,339.83

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Solution

The fourth proportional to 25,516.50, 38,247.41 and 12,339.83 is: 18,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.50 : 38,247.41 = 12,339.83 : x
  2. Step 2: Convert to fraction form
    25,516.50/38,247.41 = 12,339.83/x
  3. Step 3: Cross multiply
    25,516.50x = 38,247.41 × 12,339.83
  4. Step 4: Simplify right side
    25,516.50x = 471,966,284.40
  5. Step 5: Solve for x
    x = 471,966,284.40/25,516.50
  6. Step 6: Final answer
    x = 18,496.51

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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.