Home / 21,450.60-29,651.40-17,893.08

Finding the Fourth Proportional to 21,450.60, 29,651.40 and 17,893.08

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Solution

The fourth proportional to 21,450.60, 29,651.40 and 17,893.08 is: 24,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.60 : 29,651.40 = 17,893.08 : x
  2. Step 2: Convert to fraction form
    21,450.60/29,651.40 = 17,893.08/x
  3. Step 3: Cross multiply
    21,450.60x = 29,651.40 × 17,893.08
  4. Step 4: Simplify right side
    21,450.60x = 530,554,872.31
  5. Step 5: Solve for x
    x = 530,554,872.31/21,450.60
  6. Step 6: Final answer
    x = 24,733.80

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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.