Home / 25,935.82-38,903.76-7,215.85

Finding the Fourth Proportional to 25,935.82, 38,903.76 and 7,215.85

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Solution

The fourth proportional to 25,935.82, 38,903.76 and 7,215.85 is: 10,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.82 : 38,903.76 = 7,215.85 : x
  2. Step 2: Convert to fraction form
    25,935.82/38,903.76 = 7,215.85/x
  3. Step 3: Cross multiply
    25,935.82x = 38,903.76 × 7,215.85
  4. Step 4: Simplify right side
    25,935.82x = 280,723,696.60
  5. Step 5: Solve for x
    x = 280,723,696.60/25,935.82
  6. Step 6: Final answer
    x = 10,823.78

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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.