Home / 28,867.79-43,304.45-8,091.23

Finding the Fourth Proportional to 28,867.79, 43,304.45 and 8,091.23

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Solution

The fourth proportional to 28,867.79, 43,304.45 and 8,091.23 is: 12,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.79 : 43,304.45 = 8,091.23 : x
  2. Step 2: Convert to fraction form
    28,867.79/43,304.45 = 8,091.23/x
  3. Step 3: Cross multiply
    28,867.79x = 43,304.45 × 8,091.23
  4. Step 4: Simplify right side
    28,867.79x = 350,386,224.52
  5. Step 5: Solve for x
    x = 350,386,224.52/28,867.79
  6. Step 6: Final answer
    x = 12,137.62

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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.