Home / 25,759.74-38,639.64-8,230.92

Finding the Fourth Proportional to 25,759.74, 38,639.64 and 8,230.92

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Solution

The fourth proportional to 25,759.74, 38,639.64 and 8,230.92 is: 12,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.74 : 38,639.64 = 8,230.92 : x
  2. Step 2: Convert to fraction form
    25,759.74/38,639.64 = 8,230.92/x
  3. Step 3: Cross multiply
    25,759.74x = 38,639.64 × 8,230.92
  4. Step 4: Simplify right side
    25,759.74x = 318,039,785.67
  5. Step 5: Solve for x
    x = 318,039,785.67/25,759.74
  6. Step 6: Final answer
    x = 12,346.39

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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.