Home / 18,256.41-27,387.77-5,776.25

Finding the Fourth Proportional to 18,256.41, 27,387.77 and 5,776.25

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Solution

The fourth proportional to 18,256.41, 27,387.77 and 5,776.25 is: 8,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.41 : 27,387.77 = 5,776.25 : x
  2. Step 2: Convert to fraction form
    18,256.41/27,387.77 = 5,776.25/x
  3. Step 3: Cross multiply
    18,256.41x = 27,387.77 × 5,776.25
  4. Step 4: Simplify right side
    18,256.41x = 158,198,440.64
  5. Step 5: Solve for x
    x = 158,198,440.64/18,256.41
  6. Step 6: Final answer
    x = 8,665.36

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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.