Home / 25,830.53-38,740.68-7,105.73

Finding the Fourth Proportional to 25,830.53, 38,740.68 and 7,105.73

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Solution

The fourth proportional to 25,830.53, 38,740.68 and 7,105.73 is: 10,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.53 : 38,740.68 = 7,105.73 : x
  2. Step 2: Convert to fraction form
    25,830.53/38,740.68 = 7,105.73/x
  3. Step 3: Cross multiply
    25,830.53x = 38,740.68 × 7,105.73
  4. Step 4: Simplify right side
    25,830.53x = 275,280,618.39
  5. Step 5: Solve for x
    x = 275,280,618.39/25,830.53
  6. Step 6: Final answer
    x = 10,657.18

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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.