Home / 28,845.30-43,304.40-15,528.90

Finding the Fourth Proportional to 28,845.30, 43,304.40 and 15,528.90

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Solution

The fourth proportional to 28,845.30, 43,304.40 and 15,528.90 is: 23,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.30 : 43,304.40 = 15,528.90 : x
  2. Step 2: Convert to fraction form
    28,845.30/43,304.40 = 15,528.90/x
  3. Step 3: Cross multiply
    28,845.30x = 43,304.40 × 15,528.90
  4. Step 4: Simplify right side
    28,845.30x = 672,469,697.16
  5. Step 5: Solve for x
    x = 672,469,697.16/28,845.30
  6. Step 6: Final answer
    x = 23,312.97

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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.