Home / 20,634.54-28,482.44-12,136.29

Finding the Fourth Proportional to 20,634.54, 28,482.44 and 12,136.29

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Solution

The fourth proportional to 20,634.54, 28,482.44 and 12,136.29 is: 16,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.54 : 28,482.44 = 12,136.29 : x
  2. Step 2: Convert to fraction form
    20,634.54/28,482.44 = 12,136.29/x
  3. Step 3: Cross multiply
    20,634.54x = 28,482.44 × 12,136.29
  4. Step 4: Simplify right side
    20,634.54x = 345,671,091.07
  5. Step 5: Solve for x
    x = 345,671,091.07/20,634.54
  6. Step 6: Final answer
    x = 16,752.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.