Home / 18,278.20-27,417.30-16,334.20

Finding the Fourth Proportional to 18,278.20, 27,417.30 and 16,334.20

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Solution

The fourth proportional to 18,278.20, 27,417.30 and 16,334.20 is: 24,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.20 : 27,417.30 = 16,334.20 : x
  2. Step 2: Convert to fraction form
    18,278.20/27,417.30 = 16,334.20/x
  3. Step 3: Cross multiply
    18,278.20x = 27,417.30 × 16,334.20
  4. Step 4: Simplify right side
    18,278.20x = 447,839,661.66
  5. Step 5: Solve for x
    x = 447,839,661.66/18,278.20
  6. Step 6: Final answer
    x = 24,501.30

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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.