Home / 17,938.52-26,907.78-5,459.25

Finding the Fourth Proportional to 17,938.52, 26,907.78 and 5,459.25

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Solution

The fourth proportional to 17,938.52, 26,907.78 and 5,459.25 is: 8,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.52 : 26,907.78 = 5,459.25 : x
  2. Step 2: Convert to fraction form
    17,938.52/26,907.78 = 5,459.25/x
  3. Step 3: Cross multiply
    17,938.52x = 26,907.78 × 5,459.25
  4. Step 4: Simplify right side
    17,938.52x = 146,896,297.97
  5. Step 5: Solve for x
    x = 146,896,297.97/17,938.52
  6. Step 6: Final answer
    x = 8,188.88

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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.