Home / 26,781.48-36,912.31-17,812.96

Finding the Fourth Proportional to 26,781.48, 36,912.31 and 17,812.96

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Solution

The fourth proportional to 26,781.48, 36,912.31 and 17,812.96 is: 24,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.48 : 36,912.31 = 17,812.96 : x
  2. Step 2: Convert to fraction form
    26,781.48/36,912.31 = 17,812.96/x
  3. Step 3: Cross multiply
    26,781.48x = 36,912.31 × 17,812.96
  4. Step 4: Simplify right side
    26,781.48x = 657,517,501.54
  5. Step 5: Solve for x
    x = 657,517,501.54/26,781.48
  6. Step 6: Final answer
    x = 24,551.20

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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.