Home / 26,539.11-39,789.36-13,400.82

Finding the Fourth Proportional to 26,539.11, 39,789.36 and 13,400.82

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Solution

The fourth proportional to 26,539.11, 39,789.36 and 13,400.82 is: 20,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.11 : 39,789.36 = 13,400.82 : x
  2. Step 2: Convert to fraction form
    26,539.11/39,789.36 = 13,400.82/x
  3. Step 3: Cross multiply
    26,539.11x = 39,789.36 × 13,400.82
  4. Step 4: Simplify right side
    26,539.11x = 533,210,051.28
  5. Step 5: Solve for x
    x = 533,210,051.28/26,539.11
  6. Step 6: Final answer
    x = 20,091.48

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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.