Home / 28,234.08-42,365.58-12,450.12

Finding the Fourth Proportional to 28,234.08, 42,365.58 and 12,450.12

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Solution

The fourth proportional to 28,234.08, 42,365.58 and 12,450.12 is: 18,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.08 : 42,365.58 = 12,450.12 : x
  2. Step 2: Convert to fraction form
    28,234.08/42,365.58 = 12,450.12/x
  3. Step 3: Cross multiply
    28,234.08x = 42,365.58 × 12,450.12
  4. Step 4: Simplify right side
    28,234.08x = 527,456,554.87
  5. Step 5: Solve for x
    x = 527,456,554.87/28,234.08
  6. Step 6: Final answer
    x = 18,681.56

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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.