Home / 27,939.81-41,937.27-20,523.45

Finding the Fourth Proportional to 27,939.81, 41,937.27 and 20,523.45

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Solution

The fourth proportional to 27,939.81, 41,937.27 and 20,523.45 is: 30,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.81 : 41,937.27 = 20,523.45 : x
  2. Step 2: Convert to fraction form
    27,939.81/41,937.27 = 20,523.45/x
  3. Step 3: Cross multiply
    27,939.81x = 41,937.27 × 20,523.45
  4. Step 4: Simplify right side
    27,939.81x = 860,697,463.98
  5. Step 5: Solve for x
    x = 860,697,463.98/27,939.81
  6. Step 6: Final answer
    x = 30,805.42

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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.