Home / 25,330.32-37,974.60-19,078.32

Finding the Fourth Proportional to 25,330.32, 37,974.60 and 19,078.32

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Solution

The fourth proportional to 25,330.32, 37,974.60 and 19,078.32 is: 28,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.32 : 37,974.60 = 19,078.32 : x
  2. Step 2: Convert to fraction form
    25,330.32/37,974.60 = 19,078.32/x
  3. Step 3: Cross multiply
    25,330.32x = 37,974.60 × 19,078.32
  4. Step 4: Simplify right side
    25,330.32x = 724,491,570.67
  5. Step 5: Solve for x
    x = 724,491,570.67/25,330.32
  6. Step 6: Final answer
    x = 28,601.75

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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.