Home / 21,703.43-32,717.82-20,256.76

Finding the Fourth Proportional to 21,703.43, 32,717.82 and 20,256.76

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Solution

The fourth proportional to 21,703.43, 32,717.82 and 20,256.76 is: 30,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.43 : 32,717.82 = 20,256.76 : x
  2. Step 2: Convert to fraction form
    21,703.43/32,717.82 = 20,256.76/x
  3. Step 3: Cross multiply
    21,703.43x = 32,717.82 × 20,256.76
  4. Step 4: Simplify right side
    21,703.43x = 662,757,058.87
  5. Step 5: Solve for x
    x = 662,757,058.87/21,703.43
  6. Step 6: Final answer
    x = 30,536.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.