Home / 20,242.24-27,950.88-13,943.68

Finding the Fourth Proportional to 20,242.24, 27,950.88 and 13,943.68

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Solution

The fourth proportional to 20,242.24, 27,950.88 and 13,943.68 is: 19,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.24 : 27,950.88 = 13,943.68 : x
  2. Step 2: Convert to fraction form
    20,242.24/27,950.88 = 13,943.68/x
  3. Step 3: Cross multiply
    20,242.24x = 27,950.88 × 13,943.68
  4. Step 4: Simplify right side
    20,242.24x = 389,738,126.44
  5. Step 5: Solve for x
    x = 389,738,126.44/20,242.24
  6. Step 6: Final answer
    x = 19,253.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.