Home / 26,814.51-40,179.65-20,235.69

Finding the Fourth Proportional to 26,814.51, 40,179.65 and 20,235.69

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Solution

The fourth proportional to 26,814.51, 40,179.65 and 20,235.69 is: 30,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,814.51 : 40,179.65 = 20,235.69 : x
  2. Step 2: Convert to fraction form
    26,814.51/40,179.65 = 20,235.69/x
  3. Step 3: Cross multiply
    26,814.51x = 40,179.65 × 20,235.69
  4. Step 4: Simplify right side
    26,814.51x = 813,062,840.53
  5. Step 5: Solve for x
    x = 813,062,840.53/26,814.51
  6. Step 6: Final answer
    x = 30,321.75

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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.