Home / 20,622.05-30,929.64-5,827.59

Finding the Fourth Proportional to 20,622.05, 30,929.64 and 5,827.59

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Solution

The fourth proportional to 20,622.05, 30,929.64 and 5,827.59 is: 8,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.05 : 30,929.64 = 5,827.59 : x
  2. Step 2: Convert to fraction form
    20,622.05/30,929.64 = 5,827.59/x
  3. Step 3: Cross multiply
    20,622.05x = 30,929.64 × 5,827.59
  4. Step 4: Simplify right side
    20,622.05x = 180,245,231.63
  5. Step 5: Solve for x
    x = 180,245,231.63/20,622.05
  6. Step 6: Final answer
    x = 8,740.41

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1.5x scale

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.