Home / 28,294.24-42,440.04-11,650.12

Finding the Fourth Proportional to 28,294.24, 42,440.04 and 11,650.12

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Solution

The fourth proportional to 28,294.24, 42,440.04 and 11,650.12 is: 17,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.24 : 42,440.04 = 11,650.12 : x
  2. Step 2: Convert to fraction form
    28,294.24/42,440.04 = 11,650.12/x
  3. Step 3: Cross multiply
    28,294.24x = 42,440.04 × 11,650.12
  4. Step 4: Simplify right side
    28,294.24x = 494,431,558.80
  5. Step 5: Solve for x
    x = 494,431,558.80/28,294.24
  6. Step 6: Final answer
    x = 17,474.64

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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.