Home / 23,899.24-32,980.75-13,288.78

Finding the Fourth Proportional to 23,899.24, 32,980.75 and 13,288.78

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Solution

The fourth proportional to 23,899.24, 32,980.75 and 13,288.78 is: 18,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.24 : 32,980.75 = 13,288.78 : x
  2. Step 2: Convert to fraction form
    23,899.24/32,980.75 = 13,288.78/x
  3. Step 3: Cross multiply
    23,899.24x = 32,980.75 × 13,288.78
  4. Step 4: Simplify right side
    23,899.24x = 438,274,013.44
  5. Step 5: Solve for x
    x = 438,274,013.44/23,899.24
  6. Step 6: Final answer
    x = 18,338.41

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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.