Home / 26,206.66-36,181.92-20,145.16

Finding the Fourth Proportional to 26,206.66, 36,181.92 and 20,145.16

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Solution

The fourth proportional to 26,206.66, 36,181.92 and 20,145.16 is: 27,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,206.66 : 36,181.92 = 20,145.16 : x
  2. Step 2: Convert to fraction form
    26,206.66/36,181.92 = 20,145.16/x
  3. Step 3: Cross multiply
    26,206.66x = 36,181.92 × 20,145.16
  4. Step 4: Simplify right side
    26,206.66x = 728,890,567.51
  5. Step 5: Solve for x
    x = 728,890,567.51/26,206.66
  6. Step 6: Final answer
    x = 27,813.18

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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.