Home / 27,233.70-40,850.55-20,321.70

Finding the Fourth Proportional to 27,233.70, 40,850.55 and 20,321.70

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Solution

The fourth proportional to 27,233.70, 40,850.55 and 20,321.70 is: 30,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,233.70 : 40,850.55 = 20,321.70 : x
  2. Step 2: Convert to fraction form
    27,233.70/40,850.55 = 20,321.70/x
  3. Step 3: Cross multiply
    27,233.70x = 40,850.55 × 20,321.70
  4. Step 4: Simplify right side
    27,233.70x = 830,152,621.94
  5. Step 5: Solve for x
    x = 830,152,621.94/27,233.70
  6. Step 6: Final answer
    x = 30,482.55

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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.