Home / 20,582.25-30,880.76-8,095.35

Finding the Fourth Proportional to 20,582.25, 30,880.76 and 8,095.35

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Solution

The fourth proportional to 20,582.25, 30,880.76 and 8,095.35 is: 12,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.25 : 30,880.76 = 8,095.35 : x
  2. Step 2: Convert to fraction form
    20,582.25/30,880.76 = 8,095.35/x
  3. Step 3: Cross multiply
    20,582.25x = 30,880.76 × 8,095.35
  4. Step 4: Simplify right side
    20,582.25x = 249,990,560.47
  5. Step 5: Solve for x
    x = 249,990,560.47/20,582.25
  6. Step 6: Final answer
    x = 12,145.93

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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.