Home / 17,945.26-26,888.27-10,427.72

Finding the Fourth Proportional to 17,945.26, 26,888.27 and 10,427.72

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Solution

The fourth proportional to 17,945.26, 26,888.27 and 10,427.72 is: 15,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.26 : 26,888.27 = 10,427.72 : x
  2. Step 2: Convert to fraction form
    17,945.26/26,888.27 = 10,427.72/x
  3. Step 3: Cross multiply
    17,945.26x = 26,888.27 × 10,427.72
  4. Step 4: Simplify right side
    17,945.26x = 280,383,273.34
  5. Step 5: Solve for x
    x = 280,383,273.34/17,945.26
  6. Step 6: Final answer
    x = 15,624.36

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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.