Home / 18,526.80-27,790.20-16,485.60

Finding the Fourth Proportional to 18,526.80, 27,790.20 and 16,485.60

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Solution

The fourth proportional to 18,526.80, 27,790.20 and 16,485.60 is: 24,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.80 : 27,790.20 = 16,485.60 : x
  2. Step 2: Convert to fraction form
    18,526.80/27,790.20 = 16,485.60/x
  3. Step 3: Cross multiply
    18,526.80x = 27,790.20 × 16,485.60
  4. Step 4: Simplify right side
    18,526.80x = 458,138,121.12
  5. Step 5: Solve for x
    x = 458,138,121.12/18,526.80
  6. Step 6: Final answer
    x = 24,728.40

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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.