Home / 52,578.08-72,558-28,705.32

Finding the Fourth Proportional to 52,578.08, 72,558 and 28,705.32

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Solution

The fourth proportional to 52,578.08, 72,558 and 28,705.32 is: 39,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,578.08 : 72,558 = 28,705.32 : x
  2. Step 2: Convert to fraction form
    52,578.08/72,558 = 28,705.32/x
  3. Step 3: Cross multiply
    52,578.08x = 72,558 × 28,705.32
  4. Step 4: Simplify right side
    52,578.08x = 2,082,800,608.56
  5. Step 5: Solve for x
    x = 2,082,800,608.56/52,578.08
  6. Step 6: Final answer
    x = 39,613.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.