Home / 28,025.40-38,678.67-16,093.02

Finding the Fourth Proportional to 28,025.40, 38,678.67 and 16,093.02

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Solution

The fourth proportional to 28,025.40, 38,678.67 and 16,093.02 is: 22,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.40 : 38,678.67 = 16,093.02 : x
  2. Step 2: Convert to fraction form
    28,025.40/38,678.67 = 16,093.02/x
  3. Step 3: Cross multiply
    28,025.40x = 38,678.67 × 16,093.02
  4. Step 4: Simplify right side
    28,025.40x = 622,456,609.88
  5. Step 5: Solve for x
    x = 622,456,609.88/28,025.40
  6. Step 6: Final answer
    x = 22,210.45

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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.