Home / 21,554.10-32,331.15-17,180.10

Finding the Fourth Proportional to 21,554.10, 32,331.15 and 17,180.10

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Solution

The fourth proportional to 21,554.10, 32,331.15 and 17,180.10 is: 25,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.10 : 32,331.15 = 17,180.10 : x
  2. Step 2: Convert to fraction form
    21,554.10/32,331.15 = 17,180.10/x
  3. Step 3: Cross multiply
    21,554.10x = 32,331.15 × 17,180.10
  4. Step 4: Simplify right side
    21,554.10x = 555,452,390.12
  5. Step 5: Solve for x
    x = 555,452,390.12/21,554.10
  6. Step 6: Final answer
    x = 25,770.15

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Similar ratio
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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.