Home / 28,728.50-43,095.27-7,952.18

Finding the Fourth Proportional to 28,728.50, 43,095.27 and 7,952.18

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Solution

The fourth proportional to 28,728.50, 43,095.27 and 7,952.18 is: 11,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.50 : 43,095.27 = 7,952.18 : x
  2. Step 2: Convert to fraction form
    28,728.50/43,095.27 = 7,952.18/x
  3. Step 3: Cross multiply
    28,728.50x = 43,095.27 × 7,952.18
  4. Step 4: Simplify right side
    28,728.50x = 342,701,344.19
  5. Step 5: Solve for x
    x = 342,701,344.19/28,728.50
  6. Step 6: Final answer
    x = 11,928.97

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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.