Home / 28,504.46-42,765.90-13,711.44

Finding the Fourth Proportional to 28,504.46, 42,765.90 and 13,711.44

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Solution

The fourth proportional to 28,504.46, 42,765.90 and 13,711.44 is: 20,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.46 : 42,765.90 = 13,711.44 : x
  2. Step 2: Convert to fraction form
    28,504.46/42,765.90 = 13,711.44/x
  3. Step 3: Cross multiply
    28,504.46x = 42,765.90 × 13,711.44
  4. Step 4: Simplify right side
    28,504.46x = 586,382,071.90
  5. Step 5: Solve for x
    x = 586,382,071.90/28,504.46
  6. Step 6: Final answer
    x = 20,571.59

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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.