Home / 26,807.28-40,194.72-12,771.60

Finding the Fourth Proportional to 26,807.28, 40,194.72 and 12,771.60

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Solution

The fourth proportional to 26,807.28, 40,194.72 and 12,771.60 is: 19,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.28 : 40,194.72 = 12,771.60 : x
  2. Step 2: Convert to fraction form
    26,807.28/40,194.72 = 12,771.60/x
  3. Step 3: Cross multiply
    26,807.28x = 40,194.72 × 12,771.60
  4. Step 4: Simplify right side
    26,807.28x = 513,350,885.95
  5. Step 5: Solve for x
    x = 513,350,885.95/26,807.28
  6. Step 6: Final answer
    x = 19,149.68

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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.