Home / 23,108.56-31,889.99-13,548.69

Finding the Fourth Proportional to 23,108.56, 31,889.99 and 13,548.69

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Solution

The fourth proportional to 23,108.56, 31,889.99 and 13,548.69 is: 18,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.56 : 31,889.99 = 13,548.69 : x
  2. Step 2: Convert to fraction form
    23,108.56/31,889.99 = 13,548.69/x
  3. Step 3: Cross multiply
    23,108.56x = 31,889.99 × 13,548.69
  4. Step 4: Simplify right side
    23,108.56x = 432,067,693.12
  5. Step 5: Solve for x
    x = 432,067,693.12/23,108.56
  6. Step 6: Final answer
    x = 18,697.30

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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.