Home / 31,427.06-43,431.57-25,752.87

Finding the Fourth Proportional to 31,427.06, 43,431.57 and 25,752.87

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Solution

The fourth proportional to 31,427.06, 43,431.57 and 25,752.87 is: 35,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.06 : 43,431.57 = 25,752.87 : x
  2. Step 2: Convert to fraction form
    31,427.06/43,431.57 = 25,752.87/x
  3. Step 3: Cross multiply
    31,427.06x = 43,431.57 × 25,752.87
  4. Step 4: Simplify right side
    31,427.06x = 1,118,487,576.11
  5. Step 5: Solve for x
    x = 1,118,487,576.11/31,427.06
  6. Step 6: Final answer
    x = 35,589.96

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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.