Home / 18,380.08-27,436.78-17,009.52

Finding the Fourth Proportional to 18,380.08, 27,436.78 and 17,009.52

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Solution

The fourth proportional to 18,380.08, 27,436.78 and 17,009.52 is: 25,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.08 : 27,436.78 = 17,009.52 : x
  2. Step 2: Convert to fraction form
    18,380.08/27,436.78 = 17,009.52/x
  3. Step 3: Cross multiply
    18,380.08x = 27,436.78 × 17,009.52
  4. Step 4: Simplify right side
    18,380.08x = 466,686,458.15
  5. Step 5: Solve for x
    x = 466,686,458.15/18,380.08
  6. Step 6: Final answer
    x = 25,390.88

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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.