Home / 19,234.80-28,815.30-14,830.56

Finding the Fourth Proportional to 19,234.80, 28,815.30 and 14,830.56

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Solution

The fourth proportional to 19,234.80, 28,815.30 and 14,830.56 is: 22,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.80 : 28,815.30 = 14,830.56 : x
  2. Step 2: Convert to fraction form
    19,234.80/28,815.30 = 14,830.56/x
  3. Step 3: Cross multiply
    19,234.80x = 28,815.30 × 14,830.56
  4. Step 4: Simplify right side
    19,234.80x = 427,347,035.57
  5. Step 5: Solve for x
    x = 427,347,035.57/19,234.80
  6. Step 6: Final answer
    x = 22,217.39

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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.