Home / 20,555.32-30,944.96-14,022.64

Finding the Fourth Proportional to 20,555.32, 30,944.96 and 14,022.64

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Solution

The fourth proportional to 20,555.32, 30,944.96 and 14,022.64 is: 21,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555.32 : 30,944.96 = 14,022.64 : x
  2. Step 2: Convert to fraction form
    20,555.32/30,944.96 = 14,022.64/x
  3. Step 3: Cross multiply
    20,555.32x = 30,944.96 × 14,022.64
  4. Step 4: Simplify right side
    20,555.32x = 433,930,033.89
  5. Step 5: Solve for x
    x = 433,930,033.89/20,555.32
  6. Step 6: Final answer
    x = 21,110.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.