Home / 28,788.32-43,182.48-11,245.85

Finding the Fourth Proportional to 28,788.32, 43,182.48 and 11,245.85

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Solution

The fourth proportional to 28,788.32, 43,182.48 and 11,245.85 is: 16,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.32 : 43,182.48 = 11,245.85 : x
  2. Step 2: Convert to fraction form
    28,788.32/43,182.48 = 11,245.85/x
  3. Step 3: Cross multiply
    28,788.32x = 43,182.48 × 11,245.85
  4. Step 4: Simplify right side
    28,788.32x = 485,623,680.90
  5. Step 5: Solve for x
    x = 485,623,680.90/28,788.32
  6. Step 6: Final answer
    x = 16,868.77

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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.