Home / 26,655.48-39,949.62-13,511.16

Finding the Fourth Proportional to 26,655.48, 39,949.62 and 13,511.16

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Solution

The fourth proportional to 26,655.48, 39,949.62 and 13,511.16 is: 20,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.48 : 39,949.62 = 13,511.16 : x
  2. Step 2: Convert to fraction form
    26,655.48/39,949.62 = 13,511.16/x
  3. Step 3: Cross multiply
    26,655.48x = 39,949.62 × 13,511.16
  4. Step 4: Simplify right side
    26,655.48x = 539,765,707.76
  5. Step 5: Solve for x
    x = 539,765,707.76/26,655.48
  6. Step 6: Final answer
    x = 20,249.71

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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.