Home / 52,731.85-72,769.83-28,858.51

Finding the Fourth Proportional to 52,731.85, 72,769.83 and 28,858.51

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Solution

The fourth proportional to 52,731.85, 72,769.83 and 28,858.51 is: 39,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.85 : 72,769.83 = 28,858.51 : x
  2. Step 2: Convert to fraction form
    52,731.85/72,769.83 = 28,858.51/x
  3. Step 3: Cross multiply
    52,731.85x = 72,769.83 × 28,858.51
  4. Step 4: Simplify right side
    52,731.85x = 2,100,028,866.75
  5. Step 5: Solve for x
    x = 2,100,028,866.75/52,731.85
  6. Step 6: Final answer
    x = 39,824.68

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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.