Home / 26,331.60-39,497.40-21,377.64

Finding the Fourth Proportional to 26,331.60, 39,497.40 and 21,377.64

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Solution

The fourth proportional to 26,331.60, 39,497.40 and 21,377.64 is: 32,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.60 : 39,497.40 = 21,377.64 : x
  2. Step 2: Convert to fraction form
    26,331.60/39,497.40 = 21,377.64/x
  3. Step 3: Cross multiply
    26,331.60x = 39,497.40 × 21,377.64
  4. Step 4: Simplify right side
    26,331.60x = 844,361,198.14
  5. Step 5: Solve for x
    x = 844,361,198.14/26,331.60
  6. Step 6: Final answer
    x = 32,066.46

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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.