Home / 26,128.30-39,181.11-9,482.80

Finding the Fourth Proportional to 26,128.30, 39,181.11 and 9,482.80

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Solution

The fourth proportional to 26,128.30, 39,181.11 and 9,482.80 is: 14,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.30 : 39,181.11 = 9,482.80 : x
  2. Step 2: Convert to fraction form
    26,128.30/39,181.11 = 9,482.80/x
  3. Step 3: Cross multiply
    26,128.30x = 39,181.11 × 9,482.80
  4. Step 4: Simplify right side
    26,128.30x = 371,546,629.91
  5. Step 5: Solve for x
    x = 371,546,629.91/26,128.30
  6. Step 6: Final answer
    x = 14,220.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.