Home / 20,676.60-30,927.36-14,028.12

Finding the Fourth Proportional to 20,676.60, 30,927.36 and 14,028.12

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Solution

The fourth proportional to 20,676.60, 30,927.36 and 14,028.12 is: 20,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.60 : 30,927.36 = 14,028.12 : x
  2. Step 2: Convert to fraction form
    20,676.60/30,927.36 = 14,028.12/x
  3. Step 3: Cross multiply
    20,676.60x = 30,927.36 × 14,028.12
  4. Step 4: Simplify right side
    20,676.60x = 433,852,717.36
  5. Step 5: Solve for x
    x = 433,852,717.36/20,676.60
  6. Step 6: Final answer
    x = 20,982.79

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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.