Home / 20,242.98-27,935.46-11,291.06

Finding the Fourth Proportional to 20,242.98, 27,935.46 and 11,291.06

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Solution

The fourth proportional to 20,242.98, 27,935.46 and 11,291.06 is: 15,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.98 : 27,935.46 = 11,291.06 : x
  2. Step 2: Convert to fraction form
    20,242.98/27,935.46 = 11,291.06/x
  3. Step 3: Cross multiply
    20,242.98x = 27,935.46 × 11,291.06
  4. Step 4: Simplify right side
    20,242.98x = 315,420,954.99
  5. Step 5: Solve for x
    x = 315,420,954.99/20,242.98
  6. Step 6: Final answer
    x = 15,581.75

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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.