Home / 26,459.82-39,679.70-10,659.49

Finding the Fourth Proportional to 26,459.82, 39,679.70 and 10,659.49

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Solution

The fourth proportional to 26,459.82, 39,679.70 and 10,659.49 is: 15,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.82 : 39,679.70 = 10,659.49 : x
  2. Step 2: Convert to fraction form
    26,459.82/39,679.70 = 10,659.49/x
  3. Step 3: Cross multiply
    26,459.82x = 39,679.70 × 10,659.49
  4. Step 4: Simplify right side
    26,459.82x = 422,965,212.86
  5. Step 5: Solve for x
    x = 422,965,212.86/26,459.82
  6. Step 6: Final answer
    x = 15,985.19

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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.