Home / 26,485.68-39,728.46-16,631.88

Finding the Fourth Proportional to 26,485.68, 39,728.46 and 16,631.88

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Solution

The fourth proportional to 26,485.68, 39,728.46 and 16,631.88 is: 24,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.68 : 39,728.46 = 16,631.88 : x
  2. Step 2: Convert to fraction form
    26,485.68/39,728.46 = 16,631.88/x
  3. Step 3: Cross multiply
    26,485.68x = 39,728.46 × 16,631.88
  4. Step 4: Simplify right side
    26,485.68x = 660,758,979.30
  5. Step 5: Solve for x
    x = 660,758,979.30/26,485.68
  6. Step 6: Final answer
    x = 24,947.78

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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.