Home / 18,685.54-27,904.45-16,422

Finding the Fourth Proportional to 18,685.54, 27,904.45 and 16,422

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Solution

The fourth proportional to 18,685.54, 27,904.45 and 16,422 is: 24,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.54 : 27,904.45 = 16,422 : x
  2. Step 2: Convert to fraction form
    18,685.54/27,904.45 = 16,422/x
  3. Step 3: Cross multiply
    18,685.54x = 27,904.45 × 16,422
  4. Step 4: Simplify right side
    18,685.54x = 458,246,877.90
  5. Step 5: Solve for x
    x = 458,246,877.90/18,685.54
  6. Step 6: Final answer
    x = 24,524.14

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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.