Home / 18,733.50-28,100.27-5,585.54

Finding the Fourth Proportional to 18,733.50, 28,100.27 and 5,585.54

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Solution

The fourth proportional to 18,733.50, 28,100.27 and 5,585.54 is: 8,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.50 : 28,100.27 = 5,585.54 : x
  2. Step 2: Convert to fraction form
    18,733.50/28,100.27 = 5,585.54/x
  3. Step 3: Cross multiply
    18,733.50x = 28,100.27 × 5,585.54
  4. Step 4: Simplify right side
    18,733.50x = 156,955,182.10
  5. Step 5: Solve for x
    x = 156,955,182.10/18,733.50
  6. Step 6: Final answer
    x = 8,378.32

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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.