Home / 25,761.31-38,485.80-16,325.82

Finding the Fourth Proportional to 25,761.31, 38,485.80 and 16,325.82

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Solution

The fourth proportional to 25,761.31, 38,485.80 and 16,325.82 is: 24,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.31 : 38,485.80 = 16,325.82 : x
  2. Step 2: Convert to fraction form
    25,761.31/38,485.80 = 16,325.82/x
  3. Step 3: Cross multiply
    25,761.31x = 38,485.80 × 16,325.82
  4. Step 4: Simplify right side
    25,761.31x = 628,312,243.36
  5. Step 5: Solve for x
    x = 628,312,243.36/25,761.31
  6. Step 6: Final answer
    x = 24,389.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.