Home / 25,960.38-38,940.58-7,239.66

Finding the Fourth Proportional to 25,960.38, 38,940.58 and 7,239.66

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Solution

The fourth proportional to 25,960.38, 38,940.58 and 7,239.66 is: 10,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.38 : 38,940.58 = 7,239.66 : x
  2. Step 2: Convert to fraction form
    25,960.38/38,940.58 = 7,239.66/x
  3. Step 3: Cross multiply
    25,960.38x = 38,940.58 × 7,239.66
  4. Step 4: Simplify right side
    25,960.38x = 281,916,559.40
  5. Step 5: Solve for x
    x = 281,916,559.40/25,960.38
  6. Step 6: Final answer
    x = 10,859.49

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Similar ratio
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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.