Home / 18,526.06-27,788.79-4,485.99

Finding the Fourth Proportional to 18,526.06, 27,788.79 and 4,485.99

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Solution

The fourth proportional to 18,526.06, 27,788.79 and 4,485.99 is: 6,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.06 : 27,788.79 = 4,485.99 : x
  2. Step 2: Convert to fraction form
    18,526.06/27,788.79 = 4,485.99/x
  3. Step 3: Cross multiply
    18,526.06x = 27,788.79 × 4,485.99
  4. Step 4: Simplify right side
    18,526.06x = 124,660,234.05
  5. Step 5: Solve for x
    x = 124,660,234.05/18,526.06
  6. Step 6: Final answer
    x = 6,728.91

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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.