Home / 26,127.78-39,192.03-6,406.80

Finding the Fourth Proportional to 26,127.78, 39,192.03 and 6,406.80

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Solution

The fourth proportional to 26,127.78, 39,192.03 and 6,406.80 is: 9,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.78 : 39,192.03 = 6,406.80 : x
  2. Step 2: Convert to fraction form
    26,127.78/39,192.03 = 6,406.80/x
  3. Step 3: Cross multiply
    26,127.78x = 39,192.03 × 6,406.80
  4. Step 4: Simplify right side
    26,127.78x = 251,095,497.80
  5. Step 5: Solve for x
    x = 251,095,497.80/26,127.78
  6. Step 6: Final answer
    x = 9,610.29

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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.