Home / 26,451.50-39,664.22-13,109.18

Finding the Fourth Proportional to 26,451.50, 39,664.22 and 13,109.18

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Solution

The fourth proportional to 26,451.50, 39,664.22 and 13,109.18 is: 19,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.50 : 39,664.22 = 13,109.18 : x
  2. Step 2: Convert to fraction form
    26,451.50/39,664.22 = 13,109.18/x
  3. Step 3: Cross multiply
    26,451.50x = 39,664.22 × 13,109.18
  4. Step 4: Simplify right side
    26,451.50x = 519,965,135.67
  5. Step 5: Solve for x
    x = 519,965,135.67/26,451.50
  6. Step 6: Final answer
    x = 19,657.31

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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.