Home / 20,255.58-27,954.06-11,304.81

Finding the Fourth Proportional to 20,255.58, 27,954.06 and 11,304.81

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Solution

The fourth proportional to 20,255.58, 27,954.06 and 11,304.81 is: 15,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.58 : 27,954.06 = 11,304.81 : x
  2. Step 2: Convert to fraction form
    20,255.58/27,954.06 = 11,304.81/x
  3. Step 3: Cross multiply
    20,255.58x = 27,954.06 × 11,304.81
  4. Step 4: Simplify right side
    20,255.58x = 316,015,337.03
  5. Step 5: Solve for x
    x = 316,015,337.03/20,255.58
  6. Step 6: Final answer
    x = 15,601.40

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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.