Home / 26,481.96-39,703.71-12,434.76

Finding the Fourth Proportional to 26,481.96, 39,703.71 and 12,434.76

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Solution

The fourth proportional to 26,481.96, 39,703.71 and 12,434.76 is: 18,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.96 : 39,703.71 = 12,434.76 : x
  2. Step 2: Convert to fraction form
    26,481.96/39,703.71 = 12,434.76/x
  3. Step 3: Cross multiply
    26,481.96x = 39,703.71 × 12,434.76
  4. Step 4: Simplify right side
    26,481.96x = 493,706,104.96
  5. Step 5: Solve for x
    x = 493,706,104.96/26,481.96
  6. Step 6: Final answer
    x = 18,643.11

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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.