Home / 25,761.15-38,846.69-25,409.87

Finding the Fourth Proportional to 25,761.15, 38,846.69 and 25,409.87

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Solution

The fourth proportional to 25,761.15, 38,846.69 and 25,409.87 is: 38,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.15 : 38,846.69 = 25,409.87 : x
  2. Step 2: Convert to fraction form
    25,761.15/38,846.69 = 25,409.87/x
  3. Step 3: Cross multiply
    25,761.15x = 38,846.69 × 25,409.87
  4. Step 4: Simplify right side
    25,761.15x = 987,089,212.12
  5. Step 5: Solve for x
    x = 987,089,212.12/25,761.15
  6. Step 6: Final answer
    x = 38,316.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.