Home / 18,760.24-28,160.19-18,336.71

Finding the Fourth Proportional to 18,760.24, 28,160.19 and 18,336.71

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Solution

The fourth proportional to 18,760.24, 28,160.19 and 18,336.71 is: 27,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.24 : 28,160.19 = 18,336.71 : x
  2. Step 2: Convert to fraction form
    18,760.24/28,160.19 = 18,336.71/x
  3. Step 3: Cross multiply
    18,760.24x = 28,160.19 × 18,336.71
  4. Step 4: Simplify right side
    18,760.24x = 516,365,307.98
  5. Step 5: Solve for x
    x = 516,365,307.98/18,760.24
  6. Step 6: Final answer
    x = 27,524.45

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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.