Home / 52,577.82-72,557.64-28,704.60

Finding the Fourth Proportional to 52,577.82, 72,557.64 and 28,704.60

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Solution

The fourth proportional to 52,577.82, 72,557.64 and 28,704.60 is: 39,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,577.82 : 72,557.64 = 28,704.60 : x
  2. Step 2: Convert to fraction form
    52,577.82/72,557.64 = 28,704.60/x
  3. Step 3: Cross multiply
    52,577.82x = 72,557.64 × 28,704.60
  4. Step 4: Simplify right side
    52,577.82x = 2,082,738,033.14
  5. Step 5: Solve for x
    x = 2,082,738,033.14/52,577.82
  6. Step 6: Final answer
    x = 39,612.48

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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.