Home / 28,313.25-42,476.42-8,323.04

Finding the Fourth Proportional to 28,313.25, 42,476.42 and 8,323.04

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Solution

The fourth proportional to 28,313.25, 42,476.42 and 8,323.04 is: 12,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.25 : 42,476.42 = 8,323.04 : x
  2. Step 2: Convert to fraction form
    28,313.25/42,476.42 = 8,323.04/x
  3. Step 3: Cross multiply
    28,313.25x = 42,476.42 × 8,323.04
  4. Step 4: Simplify right side
    28,313.25x = 353,532,942.72
  5. Step 5: Solve for x
    x = 353,532,942.72/28,313.25
  6. Step 6: Final answer
    x = 12,486.48

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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.