Home / 18,799.38-28,199.97-15,506.37

Finding the Fourth Proportional to 18,799.38, 28,199.97 and 15,506.37

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Solution

The fourth proportional to 18,799.38, 28,199.97 and 15,506.37 is: 23,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.38 : 28,199.97 = 15,506.37 : x
  2. Step 2: Convert to fraction form
    18,799.38/28,199.97 = 15,506.37/x
  3. Step 3: Cross multiply
    18,799.38x = 28,199.97 × 15,506.37
  4. Step 4: Simplify right side
    18,799.38x = 437,279,168.81
  5. Step 5: Solve for x
    x = 437,279,168.81/18,799.38
  6. Step 6: Final answer
    x = 23,260.30

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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.