Home / 17,938.57-26,907.87-8,576.38

Finding the Fourth Proportional to 17,938.57, 26,907.87 and 8,576.38

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Solution

The fourth proportional to 17,938.57, 26,907.87 and 8,576.38 is: 12,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.57 : 26,907.87 = 8,576.38 : x
  2. Step 2: Convert to fraction form
    17,938.57/26,907.87 = 8,576.38/x
  3. Step 3: Cross multiply
    17,938.57x = 26,907.87 × 8,576.38
  4. Step 4: Simplify right side
    17,938.57x = 230,772,185.38
  5. Step 5: Solve for x
    x = 230,772,185.38/17,938.57
  6. Step 6: Final answer
    x = 12,864.58

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1.5x scale

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.