Home / 28,774.03-43,166.49-11,242.75

Finding the Fourth Proportional to 28,774.03, 43,166.49 and 11,242.75

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Solution

The fourth proportional to 28,774.03, 43,166.49 and 11,242.75 is: 16,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.03 : 43,166.49 = 11,242.75 : x
  2. Step 2: Convert to fraction form
    28,774.03/43,166.49 = 11,242.75/x
  3. Step 3: Cross multiply
    28,774.03x = 43,166.49 × 11,242.75
  4. Step 4: Simplify right side
    28,774.03x = 485,310,055.45
  5. Step 5: Solve for x
    x = 485,310,055.45/28,774.03
  6. Step 6: Final answer
    x = 16,866.25

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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.