Home / 15,625.67-23,438.66-3,938.89

Finding the Fourth Proportional to 15,625.67, 23,438.66 and 3,938.89

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Solution

The fourth proportional to 15,625.67, 23,438.66 and 3,938.89 is: 5,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.67 : 23,438.66 = 3,938.89 : x
  2. Step 2: Convert to fraction form
    15,625.67/23,438.66 = 3,938.89/x
  3. Step 3: Cross multiply
    15,625.67x = 23,438.66 × 3,938.89
  4. Step 4: Simplify right side
    15,625.67x = 92,322,303.49
  5. Step 5: Solve for x
    x = 92,322,303.49/15,625.67
  6. Step 6: Final answer
    x = 5,908.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.