Home / 18,035.28-27,029.88-15,685.56

Finding the Fourth Proportional to 18,035.28, 27,029.88 and 15,685.56

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Solution

The fourth proportional to 18,035.28, 27,029.88 and 15,685.56 is: 23,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.28 : 27,029.88 = 15,685.56 : x
  2. Step 2: Convert to fraction form
    18,035.28/27,029.88 = 15,685.56/x
  3. Step 3: Cross multiply
    18,035.28x = 27,029.88 × 15,685.56
  4. Step 4: Simplify right side
    18,035.28x = 423,978,804.53
  5. Step 5: Solve for x
    x = 423,978,804.53/18,035.28
  6. Step 6: Final answer
    x = 23,508.30

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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.