Home / 52,769.20-72,821.88-28,898.08

Finding the Fourth Proportional to 52,769.20, 72,821.88 and 28,898.08

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Solution

The fourth proportional to 52,769.20, 72,821.88 and 28,898.08 is: 39,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.20 : 72,821.88 = 28,898.08 : x
  2. Step 2: Convert to fraction form
    52,769.20/72,821.88 = 28,898.08/x
  3. Step 3: Cross multiply
    52,769.20x = 72,821.88 × 28,898.08
  4. Step 4: Simplify right side
    52,769.20x = 2,104,412,513.99
  5. Step 5: Solve for x
    x = 2,104,412,513.99/52,769.20
  6. Step 6: Final answer
    x = 39,879.56

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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.