Home / 26,383.90-39,603.13-17,679.64

Finding the Fourth Proportional to 26,383.90, 39,603.13 and 17,679.64

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Solution

The fourth proportional to 26,383.90, 39,603.13 and 17,679.64 is: 26,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,383.90 : 39,603.13 = 17,679.64 : x
  2. Step 2: Convert to fraction form
    26,383.90/39,603.13 = 17,679.64/x
  3. Step 3: Cross multiply
    26,383.90x = 39,603.13 × 17,679.64
  4. Step 4: Simplify right side
    26,383.90x = 700,169,081.27
  5. Step 5: Solve for x
    x = 700,169,081.27/26,383.90
  6. Step 6: Final answer
    x = 26,537.74

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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.