Home / 28,183.14-42,275.07-13,393.50

Finding the Fourth Proportional to 28,183.14, 42,275.07 and 13,393.50

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Solution

The fourth proportional to 28,183.14, 42,275.07 and 13,393.50 is: 20,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.14 : 42,275.07 = 13,393.50 : x
  2. Step 2: Convert to fraction form
    28,183.14/42,275.07 = 13,393.50/x
  3. Step 3: Cross multiply
    28,183.14x = 42,275.07 × 13,393.50
  4. Step 4: Simplify right side
    28,183.14x = 566,211,150.05
  5. Step 5: Solve for x
    x = 566,211,150.05/28,183.14
  6. Step 6: Final answer
    x = 20,090.42

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Double scale
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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.