Home / 52,769.80-72,822.36-28,896.49

Finding the Fourth Proportional to 52,769.80, 72,822.36 and 28,896.49

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Solution

The fourth proportional to 52,769.80, 72,822.36 and 28,896.49 is: 39,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.80 : 72,822.36 = 28,896.49 : x
  2. Step 2: Convert to fraction form
    52,769.80/72,822.36 = 28,896.49/x
  3. Step 3: Cross multiply
    52,769.80x = 72,822.36 × 28,896.49
  4. Step 4: Simplify right side
    52,769.80x = 2,104,310,597.52
  5. Step 5: Solve for x
    x = 2,104,310,597.52/52,769.80
  6. Step 6: Final answer
    x = 39,877.18

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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.