Home / 21,796.29-32,651.55-14,378.09

Finding the Fourth Proportional to 21,796.29, 32,651.55 and 14,378.09

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Solution

The fourth proportional to 21,796.29, 32,651.55 and 14,378.09 is: 21,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796.29 : 32,651.55 = 14,378.09 : x
  2. Step 2: Convert to fraction form
    21,796.29/32,651.55 = 14,378.09/x
  3. Step 3: Cross multiply
    21,796.29x = 32,651.55 × 14,378.09
  4. Step 4: Simplify right side
    21,796.29x = 469,466,761.28
  5. Step 5: Solve for x
    x = 469,466,761.28/21,796.29
  6. Step 6: Final answer
    x = 21,538.84

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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.