Home / 52,815.20-79,235.70-17,278.58

Finding the Fourth Proportional to 52,815.20, 79,235.70 and 17,278.58

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Solution

The fourth proportional to 52,815.20, 79,235.70 and 17,278.58 is: 25,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.20 : 79,235.70 = 17,278.58 : x
  2. Step 2: Convert to fraction form
    52,815.20/79,235.70 = 17,278.58/x
  3. Step 3: Cross multiply
    52,815.20x = 79,235.70 × 17,278.58
  4. Step 4: Simplify right side
    52,815.20x = 1,369,080,381.31
  5. Step 5: Solve for x
    x = 1,369,080,381.31/52,815.20
  6. Step 6: Final answer
    x = 25,922.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.