Home / 31,595.24-43,596.26-18,672.72

Finding the Fourth Proportional to 31,595.24, 43,596.26 and 18,672.72

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Solution

The fourth proportional to 31,595.24, 43,596.26 and 18,672.72 is: 25,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.24 : 43,596.26 = 18,672.72 : x
  2. Step 2: Convert to fraction form
    31,595.24/43,596.26 = 18,672.72/x
  3. Step 3: Cross multiply
    31,595.24x = 43,596.26 × 18,672.72
  4. Step 4: Simplify right side
    31,595.24x = 814,060,569.20
  5. Step 5: Solve for x
    x = 814,060,569.20/31,595.24
  6. Step 6: Final answer
    x = 25,765.29

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