Home / 28,793.21-43,189.80-11,250.74

Finding the Fourth Proportional to 28,793.21, 43,189.80 and 11,250.74

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Solution

The fourth proportional to 28,793.21, 43,189.80 and 11,250.74 is: 16,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.21 : 43,189.80 = 11,250.74 : x
  2. Step 2: Convert to fraction form
    28,793.21/43,189.80 = 11,250.74/x
  3. Step 3: Cross multiply
    28,793.21x = 43,189.80 × 11,250.74
  4. Step 4: Simplify right side
    28,793.21x = 485,916,994.50
  5. Step 5: Solve for x
    x = 485,916,994.50/28,793.21
  6. Step 6: Final answer
    x = 16,876.10

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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.