Home / 20,228.44-30,327.03-13,970.37

Finding the Fourth Proportional to 20,228.44, 30,327.03 and 13,970.37

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Solution

The fourth proportional to 20,228.44, 30,327.03 and 13,970.37 is: 20,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.44 : 30,327.03 = 13,970.37 : x
  2. Step 2: Convert to fraction form
    20,228.44/30,327.03 = 13,970.37/x
  3. Step 3: Cross multiply
    20,228.44x = 30,327.03 × 13,970.37
  4. Step 4: Simplify right side
    20,228.44x = 423,679,894.71
  5. Step 5: Solve for x
    x = 423,679,894.71/20,228.44
  6. Step 6: Final answer
    x = 20,944.76

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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.