Home / 28,328.14-42,497.07-8,608.69

Finding the Fourth Proportional to 28,328.14, 42,497.07 and 8,608.69

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Solution

The fourth proportional to 28,328.14, 42,497.07 and 8,608.69 is: 12,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.14 : 42,497.07 = 8,608.69 : x
  2. Step 2: Convert to fraction form
    28,328.14/42,497.07 = 8,608.69/x
  3. Step 3: Cross multiply
    28,328.14x = 42,497.07 × 8,608.69
  4. Step 4: Simplify right side
    28,328.14x = 365,844,101.54
  5. Step 5: Solve for x
    x = 365,844,101.54/28,328.14
  6. Step 6: Final answer
    x = 12,914.51

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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.