Home / 26,376.73-36,396.66-21,012.83

Finding the Fourth Proportional to 26,376.73, 36,396.66 and 21,012.83

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Solution

The fourth proportional to 26,376.73, 36,396.66 and 21,012.83 is: 28,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.73 : 36,396.66 = 21,012.83 : x
  2. Step 2: Convert to fraction form
    26,376.73/36,396.66 = 21,012.83/x
  3. Step 3: Cross multiply
    26,376.73x = 36,396.66 × 21,012.83
  4. Step 4: Simplify right side
    26,376.73x = 764,796,829.15
  5. Step 5: Solve for x
    x = 764,796,829.15/26,376.73
  6. Step 6: Final answer
    x = 28,995.13

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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.