Home / 25,651.69-38,483.68-8,121.52

Finding the Fourth Proportional to 25,651.69, 38,483.68 and 8,121.52

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Solution

The fourth proportional to 25,651.69, 38,483.68 and 8,121.52 is: 12,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.69 : 38,483.68 = 8,121.52 : x
  2. Step 2: Convert to fraction form
    25,651.69/38,483.68 = 8,121.52/x
  3. Step 3: Cross multiply
    25,651.69x = 38,483.68 × 8,121.52
  4. Step 4: Simplify right side
    25,651.69x = 312,545,826.19
  5. Step 5: Solve for x
    x = 312,545,826.19/25,651.69
  6. Step 6: Final answer
    x = 12,184.22

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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.