Home / 21,682.74-32,578.92-20,807.94

Finding the Fourth Proportional to 21,682.74, 32,578.92 and 20,807.94

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Solution

The fourth proportional to 21,682.74, 32,578.92 and 20,807.94 is: 31,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.74 : 32,578.92 = 20,807.94 : x
  2. Step 2: Convert to fraction form
    21,682.74/32,578.92 = 20,807.94/x
  3. Step 3: Cross multiply
    21,682.74x = 32,578.92 × 20,807.94
  4. Step 4: Simplify right side
    21,682.74x = 677,900,212.62
  5. Step 5: Solve for x
    x = 677,900,212.62/21,682.74
  6. Step 6: Final answer
    x = 31,264.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.