Home / 52,764.98-72,815.64-28,891.64

Finding the Fourth Proportional to 52,764.98, 72,815.64 and 28,891.64

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Solution

The fourth proportional to 52,764.98, 72,815.64 and 28,891.64 is: 39,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.98 : 72,815.64 = 28,891.64 : x
  2. Step 2: Convert to fraction form
    52,764.98/72,815.64 = 28,891.64/x
  3. Step 3: Cross multiply
    52,764.98x = 72,815.64 × 28,891.64
  4. Step 4: Simplify right side
    52,764.98x = 2,103,763,257.25
  5. Step 5: Solve for x
    x = 2,103,763,257.25/52,764.98
  6. Step 6: Final answer
    x = 39,870.45

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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.