Home / 28,422.29-39,221.08-16,323.39

Finding the Fourth Proportional to 28,422.29, 39,221.08 and 16,323.39

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Solution

The fourth proportional to 28,422.29, 39,221.08 and 16,323.39 is: 22,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.29 : 39,221.08 = 16,323.39 : x
  2. Step 2: Convert to fraction form
    28,422.29/39,221.08 = 16,323.39/x
  3. Step 3: Cross multiply
    28,422.29x = 39,221.08 × 16,323.39
  4. Step 4: Simplify right side
    28,422.29x = 640,220,944.25
  5. Step 5: Solve for x
    x = 640,220,944.25/28,422.29
  6. Step 6: Final answer
    x = 22,525.31

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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.