Home / 19,057.64-28,589.22-5,911.07

Finding the Fourth Proportional to 19,057.64, 28,589.22 and 5,911.07

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Solution

The fourth proportional to 19,057.64, 28,589.22 and 5,911.07 is: 8,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.64 : 28,589.22 = 5,911.07 : x
  2. Step 2: Convert to fraction form
    19,057.64/28,589.22 = 5,911.07/x
  3. Step 3: Cross multiply
    19,057.64x = 28,589.22 × 5,911.07
  4. Step 4: Simplify right side
    19,057.64x = 168,992,737.72
  5. Step 5: Solve for x
    x = 168,992,737.72/19,057.64
  6. Step 6: Final answer
    x = 8,867.46

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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.