Home / 19,288.44-28,895.27-12,694.77

Finding the Fourth Proportional to 19,288.44, 28,895.27 and 12,694.77

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Solution

The fourth proportional to 19,288.44, 28,895.27 and 12,694.77 is: 19,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.44 : 28,895.27 = 12,694.77 : x
  2. Step 2: Convert to fraction form
    19,288.44/28,895.27 = 12,694.77/x
  3. Step 3: Cross multiply
    19,288.44x = 28,895.27 × 12,694.77
  4. Step 4: Simplify right side
    19,288.44x = 366,818,743.26
  5. Step 5: Solve for x
    x = 366,818,743.26/19,288.44
  6. Step 6: Final answer
    x = 19,017.54

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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.