Home / 18,065.28-27,074.82-15,715.56

Finding the Fourth Proportional to 18,065.28, 27,074.82 and 15,715.56

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Solution

The fourth proportional to 18,065.28, 27,074.82 and 15,715.56 is: 23,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.28 : 27,074.82 = 15,715.56 : x
  2. Step 2: Convert to fraction form
    18,065.28/27,074.82 = 15,715.56/x
  3. Step 3: Cross multiply
    18,065.28x = 27,074.82 × 15,715.56
  4. Step 4: Simplify right side
    18,065.28x = 425,495,958.20
  5. Step 5: Solve for x
    x = 425,495,958.20/18,065.28
  6. Step 6: Final answer
    x = 23,553.24

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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.