Home / 28,259.64-38,993.76-16,324.56

Finding the Fourth Proportional to 28,259.64, 38,993.76 and 16,324.56

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Solution

The fourth proportional to 28,259.64, 38,993.76 and 16,324.56 is: 22,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.64 : 38,993.76 = 16,324.56 : x
  2. Step 2: Convert to fraction form
    28,259.64/38,993.76 = 16,324.56/x
  3. Step 3: Cross multiply
    28,259.64x = 38,993.76 × 16,324.56
  4. Step 4: Simplify right side
    28,259.64x = 636,555,974.75
  5. Step 5: Solve for x
    x = 636,555,974.75/28,259.64
  6. Step 6: Final answer
    x = 22,525.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.