Home / 21,555.05-32,332.57-6,765.26

Finding the Fourth Proportional to 21,555.05, 32,332.57 and 6,765.26

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Solution

The fourth proportional to 21,555.05, 32,332.57 and 6,765.26 is: 10,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.05 : 32,332.57 = 6,765.26 : x
  2. Step 2: Convert to fraction form
    21,555.05/32,332.57 = 6,765.26/x
  3. Step 3: Cross multiply
    21,555.05x = 32,332.57 × 6,765.26
  4. Step 4: Simplify right side
    21,555.05x = 218,738,063.94
  5. Step 5: Solve for x
    x = 218,738,063.94/21,555.05
  6. Step 6: Final answer
    x = 10,147.88

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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.