Home / 52,786.65-72,845.82-28,913.25

Finding the Fourth Proportional to 52,786.65, 72,845.82 and 28,913.25

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Solution

The fourth proportional to 52,786.65, 72,845.82 and 28,913.25 is: 39,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.65 : 72,845.82 = 28,913.25 : x
  2. Step 2: Convert to fraction form
    52,786.65/72,845.82 = 28,913.25/x
  3. Step 3: Cross multiply
    52,786.65x = 72,845.82 × 28,913.25
  4. Step 4: Simplify right side
    52,786.65x = 2,106,209,405.12
  5. Step 5: Solve for x
    x = 2,106,209,405.12/52,786.65
  6. Step 6: Final answer
    x = 39,900.42

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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.