Home / 18,527.52-27,795.96-5,380.80

Finding the Fourth Proportional to 18,527.52, 27,795.96 and 5,380.80

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Solution

The fourth proportional to 18,527.52, 27,795.96 and 5,380.80 is: 8,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.52 : 27,795.96 = 5,380.80 : x
  2. Step 2: Convert to fraction form
    18,527.52/27,795.96 = 5,380.80/x
  3. Step 3: Cross multiply
    18,527.52x = 27,795.96 × 5,380.80
  4. Step 4: Simplify right side
    18,527.52x = 149,564,501.57
  5. Step 5: Solve for x
    x = 149,564,501.57/18,527.52
  6. Step 6: Final answer
    x = 8,072.56

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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.