Home / 17,721.60-26,569.60-9,932.80

Finding the Fourth Proportional to 17,721.60, 26,569.60 and 9,932.80

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Solution

The fourth proportional to 17,721.60, 26,569.60 and 9,932.80 is: 14,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.60 : 26,569.60 = 9,932.80 : x
  2. Step 2: Convert to fraction form
    17,721.60/26,569.60 = 9,932.80/x
  3. Step 3: Cross multiply
    17,721.60x = 26,569.60 × 9,932.80
  4. Step 4: Simplify right side
    17,721.60x = 263,910,522.88
  5. Step 5: Solve for x
    x = 263,910,522.88/17,721.60
  6. Step 6: Final answer
    x = 14,892.03

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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.