Home / 22,973.66-31,680.32-21,634.26

Finding the Fourth Proportional to 22,973.66, 31,680.32 and 21,634.26

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Solution

The fourth proportional to 22,973.66, 31,680.32 and 21,634.26 is: 29,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,973.66 : 31,680.32 = 21,634.26 : x
  2. Step 2: Convert to fraction form
    22,973.66/31,680.32 = 21,634.26/x
  3. Step 3: Cross multiply
    22,973.66x = 31,680.32 × 21,634.26
  4. Step 4: Simplify right side
    22,973.66x = 685,380,052.79
  5. Step 5: Solve for x
    x = 685,380,052.79/22,973.66
  6. Step 6: Final answer
    x = 29,833.30

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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.