Home / 28,971.84-43,441.44-9,245.76

Finding the Fourth Proportional to 28,971.84, 43,441.44 and 9,245.76

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Solution

The fourth proportional to 28,971.84, 43,441.44 and 9,245.76 is: 13,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.84 : 43,441.44 = 9,245.76 : x
  2. Step 2: Convert to fraction form
    28,971.84/43,441.44 = 9,245.76/x
  3. Step 3: Cross multiply
    28,971.84x = 43,441.44 × 9,245.76
  4. Step 4: Simplify right side
    28,971.84x = 401,649,128.29
  5. Step 5: Solve for x
    x = 401,649,128.29/28,971.84
  6. Step 6: Final answer
    x = 13,863.43

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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.