Home / 18,824.92-28,238.73-5,677.40

Finding the Fourth Proportional to 18,824.92, 28,238.73 and 5,677.40

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Solution

The fourth proportional to 18,824.92, 28,238.73 and 5,677.40 is: 8,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.92 : 28,238.73 = 5,677.40 : x
  2. Step 2: Convert to fraction form
    18,824.92/28,238.73 = 5,677.40/x
  3. Step 3: Cross multiply
    18,824.92x = 28,238.73 × 5,677.40
  4. Step 4: Simplify right side
    18,824.92x = 160,322,537.32
  5. Step 5: Solve for x
    x = 160,322,537.32/18,824.92
  6. Step 6: Final answer
    x = 8,516.51

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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.