Home / 18,438.12-27,496.71-17,402.94

Finding the Fourth Proportional to 18,438.12, 27,496.71 and 17,402.94

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Solution

The fourth proportional to 18,438.12, 27,496.71 and 17,402.94 is: 25,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.12 : 27,496.71 = 17,402.94 : x
  2. Step 2: Convert to fraction form
    18,438.12/27,496.71 = 17,402.94/x
  3. Step 3: Cross multiply
    18,438.12x = 27,496.71 × 17,402.94
  4. Step 4: Simplify right side
    18,438.12x = 478,523,594.33
  5. Step 5: Solve for x
    x = 478,523,594.33/18,438.12
  6. Step 6: Final answer
    x = 25,952.95

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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.