Home / 52,828.53-72,902.94-28,955.15

Finding the Fourth Proportional to 52,828.53, 72,902.94 and 28,955.15

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Solution

The fourth proportional to 52,828.53, 72,902.94 and 28,955.15 is: 39,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.53 : 72,902.94 = 28,955.15 : x
  2. Step 2: Convert to fraction form
    52,828.53/72,902.94 = 28,955.15/x
  3. Step 3: Cross multiply
    52,828.53x = 72,902.94 × 28,955.15
  4. Step 4: Simplify right side
    52,828.53x = 2,110,915,158.39
  5. Step 5: Solve for x
    x = 2,110,915,158.39/52,828.53
  6. Step 6: Final answer
    x = 39,957.86

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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.