Home / 21,554.48-32,286.60-17,370.80

Finding the Fourth Proportional to 21,554.48, 32,286.60 and 17,370.80

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Solution

The fourth proportional to 21,554.48, 32,286.60 and 17,370.80 is: 26,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.48 : 32,286.60 = 17,370.80 : x
  2. Step 2: Convert to fraction form
    21,554.48/32,286.60 = 17,370.80/x
  3. Step 3: Cross multiply
    21,554.48x = 32,286.60 × 17,370.80
  4. Step 4: Simplify right side
    21,554.48x = 560,844,071.28
  5. Step 5: Solve for x
    x = 560,844,071.28/21,554.48
  6. Step 6: Final answer
    x = 26,019.84

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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.