Home / 52,769.12-72,821.52-28,895.96

Finding the Fourth Proportional to 52,769.12, 72,821.52 and 28,895.96

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Solution

The fourth proportional to 52,769.12, 72,821.52 and 28,895.96 is: 39,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.12 : 72,821.52 = 28,895.96 : x
  2. Step 2: Convert to fraction form
    52,769.12/72,821.52 = 28,895.96/x
  3. Step 3: Cross multiply
    52,769.12x = 72,821.52 × 28,895.96
  4. Step 4: Simplify right side
    52,769.12x = 2,104,247,729.06
  5. Step 5: Solve for x
    x = 2,104,247,729.06/52,769.12
  6. Step 6: Final answer
    x = 39,876.50

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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.