Home / 21,267.25-31,903.48-7,229.59

Finding the Fourth Proportional to 21,267.25, 31,903.48 and 7,229.59

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Solution

The fourth proportional to 21,267.25, 31,903.48 and 7,229.59 is: 10,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.25 : 31,903.48 = 7,229.59 : x
  2. Step 2: Convert to fraction form
    21,267.25/31,903.48 = 7,229.59/x
  3. Step 3: Cross multiply
    21,267.25x = 31,903.48 × 7,229.59
  4. Step 4: Simplify right side
    21,267.25x = 230,649,079.97
  5. Step 5: Solve for x
    x = 230,649,079.97/21,267.25
  6. Step 6: Final answer
    x = 10,845.27

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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.