Home / 18,439.12-27,498.20-17,403.94

Finding the Fourth Proportional to 18,439.12, 27,498.20 and 17,403.94

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Solution

The fourth proportional to 18,439.12, 27,498.20 and 17,403.94 is: 25,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.12 : 27,498.20 = 17,403.94 : x
  2. Step 2: Convert to fraction form
    18,439.12/27,498.20 = 17,403.94/x
  3. Step 3: Cross multiply
    18,439.12x = 27,498.20 × 17,403.94
  4. Step 4: Simplify right side
    18,439.12x = 478,577,022.91
  5. Step 5: Solve for x
    x = 478,577,022.91/18,439.12
  6. Step 6: Final answer
    x = 25,954.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.