Home / 26,228.88-36,170.15-20,554.83

Finding the Fourth Proportional to 26,228.88, 36,170.15 and 20,554.83

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Solution

The fourth proportional to 26,228.88, 36,170.15 and 20,554.83 is: 28,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.88 : 36,170.15 = 20,554.83 : x
  2. Step 2: Convert to fraction form
    26,228.88/36,170.15 = 20,554.83/x
  3. Step 3: Cross multiply
    26,228.88x = 36,170.15 × 20,554.83
  4. Step 4: Simplify right side
    26,228.88x = 743,471,181.55
  5. Step 5: Solve for x
    x = 743,471,181.55/26,228.88
  6. Step 6: Final answer
    x = 28,345.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.