Home / 55,262-82,890.84-15,817.52

Finding the Fourth Proportional to 55,262, 82,890.84 and 15,817.52

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Solution

The fourth proportional to 55,262, 82,890.84 and 15,817.52 is: 23,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262 : 82,890.84 = 15,817.52 : x
  2. Step 2: Convert to fraction form
    55,262/82,890.84 = 15,817.52/x
  3. Step 3: Cross multiply
    55,262x = 82,890.84 × 15,817.52
  4. Step 4: Simplify right side
    55,262x = 1,311,127,519.52
  5. Step 5: Solve for x
    x = 1,311,127,519.52/55,262
  6. Step 6: Final answer
    x = 23,725.66

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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.