Home / 25,930.27-38,890.75-7,211.58

Finding the Fourth Proportional to 25,930.27, 38,890.75 and 7,211.58

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Solution

The fourth proportional to 25,930.27, 38,890.75 and 7,211.58 is: 10,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.27 : 38,890.75 = 7,211.58 : x
  2. Step 2: Convert to fraction form
    25,930.27/38,890.75 = 7,211.58/x
  3. Step 3: Cross multiply
    25,930.27x = 38,890.75 × 7,211.58
  4. Step 4: Simplify right side
    25,930.27x = 280,463,754.89
  5. Step 5: Solve for x
    x = 280,463,754.89/25,930.27
  6. Step 6: Final answer
    x = 10,816.08

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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.