Home / 22,428.32-30,930.96-14,045.60

Finding the Fourth Proportional to 22,428.32, 30,930.96 and 14,045.60

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Solution

The fourth proportional to 22,428.32, 30,930.96 and 14,045.60 is: 19,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.32 : 30,930.96 = 14,045.60 : x
  2. Step 2: Convert to fraction form
    22,428.32/30,930.96 = 14,045.60/x
  3. Step 3: Cross multiply
    22,428.32x = 30,930.96 × 14,045.60
  4. Step 4: Simplify right side
    22,428.32x = 434,443,891.78
  5. Step 5: Solve for x
    x = 434,443,891.78/22,428.32
  6. Step 6: Final answer
    x = 19,370.33

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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.