Home / 19,155.27-28,728.75-6,005.91

Finding the Fourth Proportional to 19,155.27, 28,728.75 and 6,005.91

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Solution

The fourth proportional to 19,155.27, 28,728.75 and 6,005.91 is: 9,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.27 : 28,728.75 = 6,005.91 : x
  2. Step 2: Convert to fraction form
    19,155.27/28,728.75 = 6,005.91/x
  3. Step 3: Cross multiply
    19,155.27x = 28,728.75 × 6,005.91
  4. Step 4: Simplify right side
    19,155.27x = 172,542,286.91
  5. Step 5: Solve for x
    x = 172,542,286.91/19,155.27
  6. Step 6: Final answer
    x = 9,007.56

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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.