Home / 17,580.38-26,370.56-5,268.38

Finding the Fourth Proportional to 17,580.38, 26,370.56 and 5,268.38

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Solution

The fourth proportional to 17,580.38, 26,370.56 and 5,268.38 is: 7,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.38 : 26,370.56 = 5,268.38 : x
  2. Step 2: Convert to fraction form
    17,580.38/26,370.56 = 5,268.38/x
  3. Step 3: Cross multiply
    17,580.38x = 26,370.56 × 5,268.38
  4. Step 4: Simplify right side
    17,580.38x = 138,930,012.21
  5. Step 5: Solve for x
    x = 138,930,012.21/17,580.38
  6. Step 6: Final answer
    x = 7,902.56

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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.