Home / 21,550.80-32,326.20-6,761.01

Finding the Fourth Proportional to 21,550.80, 32,326.20 and 6,761.01

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Solution

The fourth proportional to 21,550.80, 32,326.20 and 6,761.01 is: 10,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.80 : 32,326.20 = 6,761.01 : x
  2. Step 2: Convert to fraction form
    21,550.80/32,326.20 = 6,761.01/x
  3. Step 3: Cross multiply
    21,550.80x = 32,326.20 × 6,761.01
  4. Step 4: Simplify right side
    21,550.80x = 218,557,761.46
  5. Step 5: Solve for x
    x = 218,557,761.46/21,550.80
  6. Step 6: Final answer
    x = 10,141.52

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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.