Home / 28,928.72-43,373.64-15,087.44

Finding the Fourth Proportional to 28,928.72, 43,373.64 and 15,087.44

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Solution

The fourth proportional to 28,928.72, 43,373.64 and 15,087.44 is: 22,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.72 : 43,373.64 = 15,087.44 : x
  2. Step 2: Convert to fraction form
    28,928.72/43,373.64 = 15,087.44/x
  3. Step 3: Cross multiply
    28,928.72x = 43,373.64 × 15,087.44
  4. Step 4: Simplify right side
    28,928.72x = 654,397,191.08
  5. Step 5: Solve for x
    x = 654,397,191.08/28,928.72
  6. Step 6: Final answer
    x = 22,621.02

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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.