Home / 26,141.82-39,212.86-6,420.39

Finding the Fourth Proportional to 26,141.82, 39,212.86 and 6,420.39

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Solution

The fourth proportional to 26,141.82, 39,212.86 and 6,420.39 is: 9,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.82 : 39,212.86 = 6,420.39 : x
  2. Step 2: Convert to fraction form
    26,141.82/39,212.86 = 6,420.39/x
  3. Step 3: Cross multiply
    26,141.82x = 39,212.86 × 6,420.39
  4. Step 4: Simplify right side
    26,141.82x = 251,761,854.22
  5. Step 5: Solve for x
    x = 251,761,854.22/26,141.82
  6. Step 6: Final answer
    x = 9,630.62

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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.