Home / 31,427.56-43,370.34-17,281.96

Finding the Fourth Proportional to 31,427.56, 43,370.34 and 17,281.96

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Solution

The fourth proportional to 31,427.56, 43,370.34 and 17,281.96 is: 23,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.56 : 43,370.34 = 17,281.96 : x
  2. Step 2: Convert to fraction form
    31,427.56/43,370.34 = 17,281.96/x
  3. Step 3: Cross multiply
    31,427.56x = 43,370.34 × 17,281.96
  4. Step 4: Simplify right side
    31,427.56x = 749,524,481.07
  5. Step 5: Solve for x
    x = 749,524,481.07/31,427.56
  6. Step 6: Final answer
    x = 23,849.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.