Home / 28,324.20-42,487.26-8,602.69

Finding the Fourth Proportional to 28,324.20, 42,487.26 and 8,602.69

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Solution

The fourth proportional to 28,324.20, 42,487.26 and 8,602.69 is: 12,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.20 : 42,487.26 = 8,602.69 : x
  2. Step 2: Convert to fraction form
    28,324.20/42,487.26 = 8,602.69/x
  3. Step 3: Cross multiply
    28,324.20x = 42,487.26 × 8,602.69
  4. Step 4: Simplify right side
    28,324.20x = 365,504,620.51
  5. Step 5: Solve for x
    x = 365,504,620.51/28,324.20
  6. Step 6: Final answer
    x = 12,904.32

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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.