Home / 26,631.83-39,909.39-18,321.23

Finding the Fourth Proportional to 26,631.83, 39,909.39 and 18,321.23

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Solution

The fourth proportional to 26,631.83, 39,909.39 and 18,321.23 is: 27,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.83 : 39,909.39 = 18,321.23 : x
  2. Step 2: Convert to fraction form
    26,631.83/39,909.39 = 18,321.23/x
  3. Step 3: Cross multiply
    26,631.83x = 39,909.39 × 18,321.23
  4. Step 4: Simplify right side
    26,631.83x = 731,189,113.35
  5. Step 5: Solve for x
    x = 731,189,113.35/26,631.83
  6. Step 6: Final answer
    x = 27,455.46

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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.