Home / 27,276.72-40,915.11-8,558.42

Finding the Fourth Proportional to 27,276.72, 40,915.11 and 8,558.42

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Solution

The fourth proportional to 27,276.72, 40,915.11 and 8,558.42 is: 12,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.72 : 40,915.11 = 8,558.42 : x
  2. Step 2: Convert to fraction form
    27,276.72/40,915.11 = 8,558.42/x
  3. Step 3: Cross multiply
    27,276.72x = 40,915.11 × 8,558.42
  4. Step 4: Simplify right side
    27,276.72x = 350,168,491.15
  5. Step 5: Solve for x
    x = 350,168,491.15/27,276.72
  6. Step 6: Final answer
    x = 12,837.63

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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.