Home / 18,827.02-28,235.79-7,736.77

Finding the Fourth Proportional to 18,827.02, 28,235.79 and 7,736.77

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Solution

The fourth proportional to 18,827.02, 28,235.79 and 7,736.77 is: 11,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.02 : 28,235.79 = 7,736.77 : x
  2. Step 2: Convert to fraction form
    18,827.02/28,235.79 = 7,736.77/x
  3. Step 3: Cross multiply
    18,827.02x = 28,235.79 × 7,736.77
  4. Step 4: Simplify right side
    18,827.02x = 218,453,813.00
  5. Step 5: Solve for x
    x = 218,453,813.00/18,827.02
  6. Step 6: Final answer
    x = 11,603.21

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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.