Home / 27,276.91-40,915.86-8,556.55

Finding the Fourth Proportional to 27,276.91, 40,915.86 and 8,556.55

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Solution

The fourth proportional to 27,276.91, 40,915.86 and 8,556.55 is: 12,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.91 : 40,915.86 = 8,556.55 : x
  2. Step 2: Convert to fraction form
    27,276.91/40,915.86 = 8,556.55/x
  3. Step 3: Cross multiply
    27,276.91x = 40,915.86 × 8,556.55
  4. Step 4: Simplify right side
    27,276.91x = 350,098,601.88
  5. Step 5: Solve for x
    x = 350,098,601.88/27,276.91
  6. Step 6: Final answer
    x = 12,834.98

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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.