Home / 76,835.25-115,304.92-26,915.76

Finding the Fourth Proportional to 76,835.25, 115,304.92 and 26,915.76

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Solution

The fourth proportional to 76,835.25, 115,304.92 and 26,915.76 is: 40,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,835.25 : 115,304.92 = 26,915.76 : x
  2. Step 2: Convert to fraction form
    76,835.25/115,304.92 = 26,915.76/x
  3. Step 3: Cross multiply
    76,835.25x = 115,304.92 × 26,915.76
  4. Step 4: Simplify right side
    76,835.25x = 3,103,519,486.25
  5. Step 5: Solve for x
    x = 3,103,519,486.25/76,835.25
  6. Step 6: Final answer
    x = 40,391.87

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1.5x scale

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.