Home / 28,791.14-43,186.71-16,470.50

Finding the Fourth Proportional to 28,791.14, 43,186.71 and 16,470.50

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Solution

The fourth proportional to 28,791.14, 43,186.71 and 16,470.50 is: 24,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.14 : 43,186.71 = 16,470.50 : x
  2. Step 2: Convert to fraction form
    28,791.14/43,186.71 = 16,470.50/x
  3. Step 3: Cross multiply
    28,791.14x = 43,186.71 × 16,470.50
  4. Step 4: Simplify right side
    28,791.14x = 711,306,707.06
  5. Step 5: Solve for x
    x = 711,306,707.06/28,791.14
  6. Step 6: Final answer
    x = 24,705.75

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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.