Home / 36,485.64-54,728.46-28,177.77

Finding the Fourth Proportional to 36,485.64, 54,728.46 and 28,177.77

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Solution

The fourth proportional to 36,485.64, 54,728.46 and 28,177.77 is: 42,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.64 : 54,728.46 = 28,177.77 : x
  2. Step 2: Convert to fraction form
    36,485.64/54,728.46 = 28,177.77/x
  3. Step 3: Cross multiply
    36,485.64x = 54,728.46 × 28,177.77
  4. Step 4: Simplify right side
    36,485.64x = 1,542,126,163.57
  5. Step 5: Solve for x
    x = 1,542,126,163.57/36,485.64
  6. Step 6: Final answer
    x = 42,266.66

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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.