Home / 18,350.40-27,452.70-15,912.30

Finding the Fourth Proportional to 18,350.40, 27,452.70 and 15,912.30

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Solution

The fourth proportional to 18,350.40, 27,452.70 and 15,912.30 is: 23,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.40 : 27,452.70 = 15,912.30 : x
  2. Step 2: Convert to fraction form
    18,350.40/27,452.70 = 15,912.30/x
  3. Step 3: Cross multiply
    18,350.40x = 27,452.70 × 15,912.30
  4. Step 4: Simplify right side
    18,350.40x = 436,835,598.21
  5. Step 5: Solve for x
    x = 436,835,598.21/18,350.40
  6. Step 6: Final answer
    x = 23,805.24

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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.