Home / 29,362-40,519.20-15,933.28

Finding the Fourth Proportional to 29,362, 40,519.20 and 15,933.28

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Solution

The fourth proportional to 29,362, 40,519.20 and 15,933.28 is: 21,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,362 : 40,519.20 = 15,933.28 : x
  2. Step 2: Convert to fraction form
    29,362/40,519.20 = 15,933.28/x
  3. Step 3: Cross multiply
    29,362x = 40,519.20 × 15,933.28
  4. Step 4: Simplify right side
    29,362x = 645,603,758.98
  5. Step 5: Solve for x
    x = 645,603,758.98/29,362
  6. Step 6: Final answer
    x = 21,987.73

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Why These Related Problems?

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