Home / 28,836.28-43,250.70-9,116.84

Finding the Fourth Proportional to 28,836.28, 43,250.70 and 9,116.84

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Solution

The fourth proportional to 28,836.28, 43,250.70 and 9,116.84 is: 13,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.28 : 43,250.70 = 9,116.84 : x
  2. Step 2: Convert to fraction form
    28,836.28/43,250.70 = 9,116.84/x
  3. Step 3: Cross multiply
    28,836.28x = 43,250.70 × 9,116.84
  4. Step 4: Simplify right side
    28,836.28x = 394,309,711.79
  5. Step 5: Solve for x
    x = 394,309,711.79/28,836.28
  6. Step 6: Final answer
    x = 13,674.08

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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.