Home / 28,551.72-42,734.44-25,823.64

Finding the Fourth Proportional to 28,551.72, 42,734.44 and 25,823.64

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Solution

The fourth proportional to 28,551.72, 42,734.44 and 25,823.64 is: 38,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.72 : 42,734.44 = 25,823.64 : x
  2. Step 2: Convert to fraction form
    28,551.72/42,734.44 = 25,823.64/x
  3. Step 3: Cross multiply
    28,551.72x = 42,734.44 × 25,823.64
  4. Step 4: Simplify right side
    28,551.72x = 1,103,558,841.44
  5. Step 5: Solve for x
    x = 1,103,558,841.44/28,551.72
  6. Step 6: Final answer
    x = 38,651.22

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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.