Home / 28,783.35-43,181.10-9,063.90

Finding the Fourth Proportional to 28,783.35, 43,181.10 and 9,063.90

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Solution

The fourth proportional to 28,783.35, 43,181.10 and 9,063.90 is: 13,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.35 : 43,181.10 = 9,063.90 : x
  2. Step 2: Convert to fraction form
    28,783.35/43,181.10 = 9,063.90/x
  3. Step 3: Cross multiply
    28,783.35x = 43,181.10 × 9,063.90
  4. Step 4: Simplify right side
    28,783.35x = 391,389,172.29
  5. Step 5: Solve for x
    x = 391,389,172.29/28,783.35
  6. Step 6: Final answer
    x = 13,597.76

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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.