Home / 18,887.27-28,332.50-5,739.75

Finding the Fourth Proportional to 18,887.27, 28,332.50 and 5,739.75

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Solution

The fourth proportional to 18,887.27, 28,332.50 and 5,739.75 is: 8,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.27 : 28,332.50 = 5,739.75 : x
  2. Step 2: Convert to fraction form
    18,887.27/28,332.50 = 5,739.75/x
  3. Step 3: Cross multiply
    18,887.27x = 28,332.50 × 5,739.75
  4. Step 4: Simplify right side
    18,887.27x = 162,621,466.88
  5. Step 5: Solve for x
    x = 162,621,466.88/18,887.27
  6. Step 6: Final answer
    x = 8,610.11

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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.