Home / 18,887.52-28,331.26-17,323.12

Finding the Fourth Proportional to 18,887.52, 28,331.26 and 17,323.12

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Solution

The fourth proportional to 18,887.52, 28,331.26 and 17,323.12 is: 25,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.52 : 28,331.26 = 17,323.12 : x
  2. Step 2: Convert to fraction form
    18,887.52/28,331.26 = 17,323.12/x
  3. Step 3: Cross multiply
    18,887.52x = 28,331.26 × 17,323.12
  4. Step 4: Simplify right side
    18,887.52x = 490,785,816.73
  5. Step 5: Solve for x
    x = 490,785,816.73/18,887.52
  6. Step 6: Final answer
    x = 25,984.66

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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.