Home / 26,796.72-36,971.93-21,113.85

Finding the Fourth Proportional to 26,796.72, 36,971.93 and 21,113.85

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Solution

The fourth proportional to 26,796.72, 36,971.93 and 21,113.85 is: 29,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,796.72 : 36,971.93 = 21,113.85 : x
  2. Step 2: Convert to fraction form
    26,796.72/36,971.93 = 21,113.85/x
  3. Step 3: Cross multiply
    26,796.72x = 36,971.93 × 21,113.85
  4. Step 4: Simplify right side
    26,796.72x = 780,619,784.23
  5. Step 5: Solve for x
    x = 780,619,784.23/26,796.72
  6. Step 6: Final answer
    x = 29,131.17

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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.