Home / 18,554.39-27,729.72-13,567.27

Finding the Fourth Proportional to 18,554.39, 27,729.72 and 13,567.27

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Solution

The fourth proportional to 18,554.39, 27,729.72 and 13,567.27 is: 20,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.39 : 27,729.72 = 13,567.27 : x
  2. Step 2: Convert to fraction form
    18,554.39/27,729.72 = 13,567.27/x
  3. Step 3: Cross multiply
    18,554.39x = 27,729.72 × 13,567.27
  4. Step 4: Simplify right side
    18,554.39x = 376,216,391.78
  5. Step 5: Solve for x
    x = 376,216,391.78/18,554.39
  6. Step 6: Final answer
    x = 20,276.41

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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.