Home / 28,727.66-43,079.70-10,964.79

Finding the Fourth Proportional to 28,727.66, 43,079.70 and 10,964.79

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Solution

The fourth proportional to 28,727.66, 43,079.70 and 10,964.79 is: 16,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.66 : 43,079.70 = 10,964.79 : x
  2. Step 2: Convert to fraction form
    28,727.66/43,079.70 = 10,964.79/x
  3. Step 3: Cross multiply
    28,727.66x = 43,079.70 × 10,964.79
  4. Step 4: Simplify right side
    28,727.66x = 472,359,808.94
  5. Step 5: Solve for x
    x = 472,359,808.94/28,727.66
  6. Step 6: Final answer
    x = 16,442.68

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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.