Home / 27,857.32-38,444.10-15,282.44

Finding the Fourth Proportional to 27,857.32, 38,444.10 and 15,282.44

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Solution

The fourth proportional to 27,857.32, 38,444.10 and 15,282.44 is: 21,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857.32 : 38,444.10 = 15,282.44 : x
  2. Step 2: Convert to fraction form
    27,857.32/38,444.10 = 15,282.44/x
  3. Step 3: Cross multiply
    27,857.32x = 38,444.10 × 15,282.44
  4. Step 4: Simplify right side
    27,857.32x = 587,519,651.60
  5. Step 5: Solve for x
    x = 587,519,651.60/27,857.32
  6. Step 6: Final answer
    x = 21,090.31

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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.