Home / 17,425.78-26,135.16-7,428.62

Finding the Fourth Proportional to 17,425.78, 26,135.16 and 7,428.62

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Solution

The fourth proportional to 17,425.78, 26,135.16 and 7,428.62 is: 11,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.78 : 26,135.16 = 7,428.62 : x
  2. Step 2: Convert to fraction form
    17,425.78/26,135.16 = 7,428.62/x
  3. Step 3: Cross multiply
    17,425.78x = 26,135.16 × 7,428.62
  4. Step 4: Simplify right side
    17,425.78x = 194,148,172.28
  5. Step 5: Solve for x
    x = 194,148,172.28/17,425.78
  6. Step 6: Final answer
    x = 11,141.43

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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.