Home / 28,010.36-42,022.10-11,144.33

Finding the Fourth Proportional to 28,010.36, 42,022.10 and 11,144.33

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Solution

The fourth proportional to 28,010.36, 42,022.10 and 11,144.33 is: 16,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.36 : 42,022.10 = 11,144.33 : x
  2. Step 2: Convert to fraction form
    28,010.36/42,022.10 = 11,144.33/x
  3. Step 3: Cross multiply
    28,010.36x = 42,022.10 × 11,144.33
  4. Step 4: Simplify right side
    28,010.36x = 468,307,883.86
  5. Step 5: Solve for x
    x = 468,307,883.86/28,010.36
  6. Step 6: Final answer
    x = 16,719.10

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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.