Home / 25,729.44-38,599.60-8,200.72

Finding the Fourth Proportional to 25,729.44, 38,599.60 and 8,200.72

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Solution

The fourth proportional to 25,729.44, 38,599.60 and 8,200.72 is: 12,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.44 : 38,599.60 = 8,200.72 : x
  2. Step 2: Convert to fraction form
    25,729.44/38,599.60 = 8,200.72/x
  3. Step 3: Cross multiply
    25,729.44x = 38,599.60 × 8,200.72
  4. Step 4: Simplify right side
    25,729.44x = 316,544,511.71
  5. Step 5: Solve for x
    x = 316,544,511.71/25,729.44
  6. Step 6: Final answer
    x = 12,302.81

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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.