Home / 21,448.22-32,170.77-7,216.79

Finding the Fourth Proportional to 21,448.22, 32,170.77 and 7,216.79

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Solution

The fourth proportional to 21,448.22, 32,170.77 and 7,216.79 is: 10,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.22 : 32,170.77 = 7,216.79 : x
  2. Step 2: Convert to fraction form
    21,448.22/32,170.77 = 7,216.79/x
  3. Step 3: Cross multiply
    21,448.22x = 32,170.77 × 7,216.79
  4. Step 4: Simplify right side
    21,448.22x = 232,169,530.37
  5. Step 5: Solve for x
    x = 232,169,530.37/21,448.22
  6. Step 6: Final answer
    x = 10,824.66

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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.