Home / 26,686.08-39,977.12-17,424

Finding the Fourth Proportional to 26,686.08, 39,977.12 and 17,424

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Solution

The fourth proportional to 26,686.08, 39,977.12 and 17,424 is: 26,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.08 : 39,977.12 = 17,424 : x
  2. Step 2: Convert to fraction form
    26,686.08/39,977.12 = 17,424/x
  3. Step 3: Cross multiply
    26,686.08x = 39,977.12 × 17,424
  4. Step 4: Simplify right side
    26,686.08x = 696,561,338.88
  5. Step 5: Solve for x
    x = 696,561,338.88/26,686.08
  6. Step 6: Final answer
    x = 26,102.05

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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.