Home / 26,727.68-36,841.60-21,053.44

Finding the Fourth Proportional to 26,727.68, 36,841.60 and 21,053.44

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Solution

The fourth proportional to 26,727.68, 36,841.60 and 21,053.44 is: 29,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.68 : 36,841.60 = 21,053.44 : x
  2. Step 2: Convert to fraction form
    26,727.68/36,841.60 = 21,053.44/x
  3. Step 3: Cross multiply
    26,727.68x = 36,841.60 × 21,053.44
  4. Step 4: Simplify right side
    26,727.68x = 775,642,415.10
  5. Step 5: Solve for x
    x = 775,642,415.10/26,727.68
  6. Step 6: Final answer
    x = 29,020.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.