Home / 18,053.28-27,083.16-15,474.24

Finding the Fourth Proportional to 18,053.28, 27,083.16 and 15,474.24

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Solution

The fourth proportional to 18,053.28, 27,083.16 and 15,474.24 is: 23,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.28 : 27,083.16 = 15,474.24 : x
  2. Step 2: Convert to fraction form
    18,053.28/27,083.16 = 15,474.24/x
  3. Step 3: Cross multiply
    18,053.28x = 27,083.16 × 15,474.24
  4. Step 4: Simplify right side
    18,053.28x = 419,091,317.80
  5. Step 5: Solve for x
    x = 419,091,317.80/18,053.28
  6. Step 6: Final answer
    x = 23,214.14

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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.