Home / 18,887.77-28,333.25-5,740.26

Finding the Fourth Proportional to 18,887.77, 28,333.25 and 5,740.26

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Solution

The fourth proportional to 18,887.77, 28,333.25 and 5,740.26 is: 8,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.77 : 28,333.25 = 5,740.26 : x
  2. Step 2: Convert to fraction form
    18,887.77/28,333.25 = 5,740.26/x
  3. Step 3: Cross multiply
    18,887.77x = 28,333.25 × 5,740.26
  4. Step 4: Simplify right side
    18,887.77x = 162,640,221.65
  5. Step 5: Solve for x
    x = 162,640,221.65/18,887.77
  6. Step 6: Final answer
    x = 8,610.87

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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.