Home / 22,422.42-30,943.40-12,351.28

Finding the Fourth Proportional to 22,422.42, 30,943.40 and 12,351.28

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Solution

The fourth proportional to 22,422.42, 30,943.40 and 12,351.28 is: 17,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.42 : 30,943.40 = 12,351.28 : x
  2. Step 2: Convert to fraction form
    22,422.42/30,943.40 = 12,351.28/x
  3. Step 3: Cross multiply
    22,422.42x = 30,943.40 × 12,351.28
  4. Step 4: Simplify right side
    22,422.42x = 382,190,597.55
  5. Step 5: Solve for x
    x = 382,190,597.55/22,422.42
  6. Step 6: Final answer
    x = 17,045.02

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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.