Home / 23,419.31-35,129.03-8,621.82

Finding the Fourth Proportional to 23,419.31, 35,129.03 and 8,621.82

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Solution

The fourth proportional to 23,419.31, 35,129.03 and 8,621.82 is: 12,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.31 : 35,129.03 = 8,621.82 : x
  2. Step 2: Convert to fraction form
    23,419.31/35,129.03 = 8,621.82/x
  3. Step 3: Cross multiply
    23,419.31x = 35,129.03 × 8,621.82
  4. Step 4: Simplify right side
    23,419.31x = 302,876,130.33
  5. Step 5: Solve for x
    x = 302,876,130.33/23,419.31
  6. Step 6: Final answer
    x = 12,932.75

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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.