Home / 52,828.20-72,902.58-28,956.36

Finding the Fourth Proportional to 52,828.20, 72,902.58 and 28,956.36

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Solution

The fourth proportional to 52,828.20, 72,902.58 and 28,956.36 is: 39,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.20 : 72,902.58 = 28,956.36 : x
  2. Step 2: Convert to fraction form
    52,828.20/72,902.58 = 28,956.36/x
  3. Step 3: Cross multiply
    52,828.20x = 72,902.58 × 28,956.36
  4. Step 4: Simplify right side
    52,828.20x = 2,110,993,351.41
  5. Step 5: Solve for x
    x = 2,110,993,351.41/52,828.20
  6. Step 6: Final answer
    x = 39,959.59

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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.