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Finding the Fourth Proportional to 52,757.46, 72,802.53 and 28,879.56

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Solution

The fourth proportional to 52,757.46, 72,802.53 and 28,879.56 is: 39,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.46 : 72,802.53 = 28,879.56 : x
  2. Step 2: Convert to fraction form
    52,757.46/72,802.53 = 28,879.56/x
  3. Step 3: Cross multiply
    52,757.46x = 72,802.53 × 28,879.56
  4. Step 4: Simplify right side
    52,757.46x = 2,102,505,033.29
  5. Step 5: Solve for x
    x = 2,102,505,033.29/52,757.46
  6. Step 6: Final answer
    x = 39,852.28

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1.5x scale

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.