Home / 25,795.11-38,728.31-13,325.43

Finding the Fourth Proportional to 25,795.11, 38,728.31 and 13,325.43

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Solution

The fourth proportional to 25,795.11, 38,728.31 and 13,325.43 is: 20,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.11 : 38,728.31 = 13,325.43 : x
  2. Step 2: Convert to fraction form
    25,795.11/38,728.31 = 13,325.43/x
  3. Step 3: Cross multiply
    25,795.11x = 38,728.31 × 13,325.43
  4. Step 4: Simplify right side
    25,795.11x = 516,071,383.92
  5. Step 5: Solve for x
    x = 516,071,383.92/25,795.11
  6. Step 6: Final answer
    x = 20,006.56

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1.5x scale

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.