Home / 19,267.24-28,906.40-8,020.40

Finding the Fourth Proportional to 19,267.24, 28,906.40 and 8,020.40

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Solution

The fourth proportional to 19,267.24, 28,906.40 and 8,020.40 is: 12,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.24 : 28,906.40 = 8,020.40 : x
  2. Step 2: Convert to fraction form
    19,267.24/28,906.40 = 8,020.40/x
  3. Step 3: Cross multiply
    19,267.24x = 28,906.40 × 8,020.40
  4. Step 4: Simplify right side
    19,267.24x = 231,840,890.56
  5. Step 5: Solve for x
    x = 231,840,890.56/19,267.24
  6. Step 6: Final answer
    x = 12,032.91

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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.