Home / 28,060.96-42,091.44-7,284.28

Finding the Fourth Proportional to 28,060.96, 42,091.44 and 7,284.28

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Solution

The fourth proportional to 28,060.96, 42,091.44 and 7,284.28 is: 10,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.96 : 42,091.44 = 7,284.28 : x
  2. Step 2: Convert to fraction form
    28,060.96/42,091.44 = 7,284.28/x
  3. Step 3: Cross multiply
    28,060.96x = 42,091.44 × 7,284.28
  4. Step 4: Simplify right side
    28,060.96x = 306,605,834.56
  5. Step 5: Solve for x
    x = 306,605,834.56/28,060.96
  6. Step 6: Final answer
    x = 10,926.42

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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.