Home / 27,276.72-40,915.08-8,558.38

Finding the Fourth Proportional to 27,276.72, 40,915.08 and 8,558.38

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Solution

The fourth proportional to 27,276.72, 40,915.08 and 8,558.38 is: 12,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.72 : 40,915.08 = 8,558.38 : x
  2. Step 2: Convert to fraction form
    27,276.72/40,915.08 = 8,558.38/x
  3. Step 3: Cross multiply
    27,276.72x = 40,915.08 × 8,558.38
  4. Step 4: Simplify right side
    27,276.72x = 350,166,802.37
  5. Step 5: Solve for x
    x = 350,166,802.37/27,276.72
  6. Step 6: Final answer
    x = 12,837.57

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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.