Home / 28,150.89-42,247.07-22,670.38

Finding the Fourth Proportional to 28,150.89, 42,247.07 and 22,670.38

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Solution

The fourth proportional to 28,150.89, 42,247.07 and 22,670.38 is: 34,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.89 : 42,247.07 = 22,670.38 : x
  2. Step 2: Convert to fraction form
    28,150.89/42,247.07 = 22,670.38/x
  3. Step 3: Cross multiply
    28,150.89x = 42,247.07 × 22,670.38
  4. Step 4: Simplify right side
    28,150.89x = 957,757,155.26
  5. Step 5: Solve for x
    x = 957,757,155.26/28,150.89
  6. Step 6: Final answer
    x = 34,022.27

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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.