Home / 18,962.67-28,382.04-17,143.83

Finding the Fourth Proportional to 18,962.67, 28,382.04 and 17,143.83

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Solution

The fourth proportional to 18,962.67, 28,382.04 and 17,143.83 is: 25,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.67 : 28,382.04 = 17,143.83 : x
  2. Step 2: Convert to fraction form
    18,962.67/28,382.04 = 17,143.83/x
  3. Step 3: Cross multiply
    18,962.67x = 28,382.04 × 17,143.83
  4. Step 4: Simplify right side
    18,962.67x = 486,576,868.81
  5. Step 5: Solve for x
    x = 486,576,868.81/18,962.67
  6. Step 6: Final answer
    x = 25,659.72

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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.