Home / 28,310.24-39,000.60-19,796.44

Finding the Fourth Proportional to 28,310.24, 39,000.60 and 19,796.44

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Solution

The fourth proportional to 28,310.24, 39,000.60 and 19,796.44 is: 27,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.24 : 39,000.60 = 19,796.44 : x
  2. Step 2: Convert to fraction form
    28,310.24/39,000.60 = 19,796.44/x
  3. Step 3: Cross multiply
    28,310.24x = 39,000.60 × 19,796.44
  4. Step 4: Simplify right side
    28,310.24x = 772,073,037.86
  5. Step 5: Solve for x
    x = 772,073,037.86/28,310.24
  6. Step 6: Final answer
    x = 27,271.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.