Home / 25,965.24-38,919.78-10,365.72

Finding the Fourth Proportional to 25,965.24, 38,919.78 and 10,365.72

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Solution

The fourth proportional to 25,965.24, 38,919.78 and 10,365.72 is: 15,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.24 : 38,919.78 = 10,365.72 : x
  2. Step 2: Convert to fraction form
    25,965.24/38,919.78 = 10,365.72/x
  3. Step 3: Cross multiply
    25,965.24x = 38,919.78 × 10,365.72
  4. Step 4: Simplify right side
    25,965.24x = 403,431,541.94
  5. Step 5: Solve for x
    x = 403,431,541.94/25,965.24
  6. Step 6: Final answer
    x = 15,537.37

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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.