Home / 28,198.28-42,316.56-15,060.08

Finding the Fourth Proportional to 28,198.28, 42,316.56 and 15,060.08

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Solution

The fourth proportional to 28,198.28, 42,316.56 and 15,060.08 is: 22,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.28 : 42,316.56 = 15,060.08 : x
  2. Step 2: Convert to fraction form
    28,198.28/42,316.56 = 15,060.08/x
  3. Step 3: Cross multiply
    28,198.28x = 42,316.56 × 15,060.08
  4. Step 4: Simplify right side
    28,198.28x = 637,290,778.92
  5. Step 5: Solve for x
    x = 637,290,778.92/28,198.28
  6. Step 6: Final answer
    x = 22,600.34

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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.