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Finding the Fourth Proportional to 19,234.73, 28,852.10 and 5,383.73

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Solution

The fourth proportional to 19,234.73, 28,852.10 and 5,383.73 is: 8,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.73 : 28,852.10 = 5,383.73 : x
  2. Step 2: Convert to fraction form
    19,234.73/28,852.10 = 5,383.73/x
  3. Step 3: Cross multiply
    19,234.73x = 28,852.10 × 5,383.73
  4. Step 4: Simplify right side
    19,234.73x = 155,331,916.33
  5. Step 5: Solve for x
    x = 155,331,916.33/19,234.73
  6. Step 6: Final answer
    x = 8,075.60

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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.