Home / 18,885.11-28,303.43-15,958.04

Finding the Fourth Proportional to 18,885.11, 28,303.43 and 15,958.04

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Solution

The fourth proportional to 18,885.11, 28,303.43 and 15,958.04 is: 23,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.11 : 28,303.43 = 15,958.04 : x
  2. Step 2: Convert to fraction form
    18,885.11/28,303.43 = 15,958.04/x
  3. Step 3: Cross multiply
    18,885.11x = 28,303.43 × 15,958.04
  4. Step 4: Simplify right side
    18,885.11x = 451,667,046.77
  5. Step 5: Solve for x
    x = 451,667,046.77/18,885.11
  6. Step 6: Final answer
    x = 23,916.58

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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.