Home / 28,273.10-42,414.06-8,549.60

Finding the Fourth Proportional to 28,273.10, 42,414.06 and 8,549.60

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Solution

The fourth proportional to 28,273.10, 42,414.06 and 8,549.60 is: 12,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.10 : 42,414.06 = 8,549.60 : x
  2. Step 2: Convert to fraction form
    28,273.10/42,414.06 = 8,549.60/x
  3. Step 3: Cross multiply
    28,273.10x = 42,414.06 × 8,549.60
  4. Step 4: Simplify right side
    28,273.10x = 362,623,247.38
  5. Step 5: Solve for x
    x = 362,623,247.38/28,273.10
  6. Step 6: Final answer
    x = 12,825.73

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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.