Home / 28,086.72-42,104.04-10,568.16

Finding the Fourth Proportional to 28,086.72, 42,104.04 and 10,568.16

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Solution

The fourth proportional to 28,086.72, 42,104.04 and 10,568.16 is: 15,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.72 : 42,104.04 = 10,568.16 : x
  2. Step 2: Convert to fraction form
    28,086.72/42,104.04 = 10,568.16/x
  3. Step 3: Cross multiply
    28,086.72x = 42,104.04 × 10,568.16
  4. Step 4: Simplify right side
    28,086.72x = 444,962,231.37
  5. Step 5: Solve for x
    x = 444,962,231.37/28,086.72
  6. Step 6: Final answer
    x = 15,842.44

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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.