Home / 26,812.08-40,231.44-12,031.44

Finding the Fourth Proportional to 26,812.08, 40,231.44 and 12,031.44

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Solution

The fourth proportional to 26,812.08, 40,231.44 and 12,031.44 is: 18,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.08 : 40,231.44 = 12,031.44 : x
  2. Step 2: Convert to fraction form
    26,812.08/40,231.44 = 12,031.44/x
  3. Step 3: Cross multiply
    26,812.08x = 40,231.44 × 12,031.44
  4. Step 4: Simplify right side
    26,812.08x = 484,042,156.47
  5. Step 5: Solve for x
    x = 484,042,156.47/26,812.08
  6. Step 6: Final answer
    x = 18,053.14

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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.