Home / 41,986.40-62,990.52-18,607.28

Finding the Fourth Proportional to 41,986.40, 62,990.52 and 18,607.28

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Solution

The fourth proportional to 41,986.40, 62,990.52 and 18,607.28 is: 27,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.40 : 62,990.52 = 18,607.28 : x
  2. Step 2: Convert to fraction form
    41,986.40/62,990.52 = 18,607.28/x
  3. Step 3: Cross multiply
    41,986.40x = 62,990.52 × 18,607.28
  4. Step 4: Simplify right side
    41,986.40x = 1,172,082,242.99
  5. Step 5: Solve for x
    x = 1,172,082,242.99/41,986.40
  6. Step 6: Final answer
    x = 27,915.76

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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.