Home / 27,478.10-41,188.44-12,696.74

Finding the Fourth Proportional to 27,478.10, 41,188.44 and 12,696.74

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Solution

The fourth proportional to 27,478.10, 41,188.44 and 12,696.74 is: 19,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.10 : 41,188.44 = 12,696.74 : x
  2. Step 2: Convert to fraction form
    27,478.10/41,188.44 = 12,696.74/x
  3. Step 3: Cross multiply
    27,478.10x = 41,188.44 × 12,696.74
  4. Step 4: Simplify right side
    27,478.10x = 522,958,913.69
  5. Step 5: Solve for x
    x = 522,958,913.69/27,478.10
  6. Step 6: Final answer
    x = 19,031.84

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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.