Home / 28,970.82-43,475.69-10,250.78

Finding the Fourth Proportional to 28,970.82, 43,475.69 and 10,250.78

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Solution

The fourth proportional to 28,970.82, 43,475.69 and 10,250.78 is: 15,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.82 : 43,475.69 = 10,250.78 : x
  2. Step 2: Convert to fraction form
    28,970.82/43,475.69 = 10,250.78/x
  3. Step 3: Cross multiply
    28,970.82x = 43,475.69 × 10,250.78
  4. Step 4: Simplify right side
    28,970.82x = 445,659,541.79
  5. Step 5: Solve for x
    x = 445,659,541.79/28,970.82
  6. Step 6: Final answer
    x = 15,383.05

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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.