Home / 28,183.85-42,296.28-22,703.36

Finding the Fourth Proportional to 28,183.85, 42,296.28 and 22,703.36

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Solution

The fourth proportional to 28,183.85, 42,296.28 and 22,703.36 is: 34,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.85 : 42,296.28 = 22,703.36 : x
  2. Step 2: Convert to fraction form
    28,183.85/42,296.28 = 22,703.36/x
  3. Step 3: Cross multiply
    28,183.85x = 42,296.28 × 22,703.36
  4. Step 4: Simplify right side
    28,183.85x = 960,267,731.76
  5. Step 5: Solve for x
    x = 960,267,731.76/28,183.85
  6. Step 6: Final answer
    x = 34,071.56

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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.