Home / 52,769.10-72,820.83-28,896.12

Finding the Fourth Proportional to 52,769.10, 72,820.83 and 28,896.12

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Solution

The fourth proportional to 52,769.10, 72,820.83 and 28,896.12 is: 39,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.10 : 72,820.83 = 28,896.12 : x
  2. Step 2: Convert to fraction form
    52,769.10/72,820.83 = 28,896.12/x
  3. Step 3: Cross multiply
    52,769.10x = 72,820.83 × 28,896.12
  4. Step 4: Simplify right side
    52,769.10x = 2,104,239,442.18
  5. Step 5: Solve for x
    x = 2,104,239,442.18/52,769.10
  6. Step 6: Final answer
    x = 39,876.36

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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.