Home / 19,781.37-27,297.22-10,827.15

Finding the Fourth Proportional to 19,781.37, 27,297.22 and 10,827.15

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Solution

The fourth proportional to 19,781.37, 27,297.22 and 10,827.15 is: 14,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.37 : 27,297.22 = 10,827.15 : x
  2. Step 2: Convert to fraction form
    19,781.37/27,297.22 = 10,827.15/x
  3. Step 3: Cross multiply
    19,781.37x = 27,297.22 × 10,827.15
  4. Step 4: Simplify right side
    19,781.37x = 295,551,095.52
  5. Step 5: Solve for x
    x = 295,551,095.52/19,781.37
  6. Step 6: Final answer
    x = 14,940.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.