Home / 28,227.80-38,959.44-16,289.48

Finding the Fourth Proportional to 28,227.80, 38,959.44 and 16,289.48

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Solution

The fourth proportional to 28,227.80, 38,959.44 and 16,289.48 is: 22,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.80 : 38,959.44 = 16,289.48 : x
  2. Step 2: Convert to fraction form
    28,227.80/38,959.44 = 16,289.48/x
  3. Step 3: Cross multiply
    28,227.80x = 38,959.44 × 16,289.48
  4. Step 4: Simplify right side
    28,227.80x = 634,629,018.69
  5. Step 5: Solve for x
    x = 634,629,018.69/28,227.80
  6. Step 6: Final answer
    x = 22,482.41

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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.