Home / 25,783.21-38,672.97-8,013.39

Finding the Fourth Proportional to 25,783.21, 38,672.97 and 8,013.39

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Solution

The fourth proportional to 25,783.21, 38,672.97 and 8,013.39 is: 12,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.21 : 38,672.97 = 8,013.39 : x
  2. Step 2: Convert to fraction form
    25,783.21/38,672.97 = 8,013.39/x
  3. Step 3: Cross multiply
    25,783.21x = 38,672.97 × 8,013.39
  4. Step 4: Simplify right side
    25,783.21x = 309,901,591.07
  5. Step 5: Solve for x
    x = 309,901,591.07/25,783.21
  6. Step 6: Final answer
    x = 12,019.51

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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.