Home / 21,853.03-32,792.52-20,469.30

Finding the Fourth Proportional to 21,853.03, 32,792.52 and 20,469.30

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Solution

The fourth proportional to 21,853.03, 32,792.52 and 20,469.30 is: 30,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.03 : 32,792.52 = 20,469.30 : x
  2. Step 2: Convert to fraction form
    21,853.03/32,792.52 = 20,469.30/x
  3. Step 3: Cross multiply
    21,853.03x = 32,792.52 × 20,469.30
  4. Step 4: Simplify right side
    21,853.03x = 671,239,929.64
  5. Step 5: Solve for x
    x = 671,239,929.64/21,853.03
  6. Step 6: Final answer
    x = 30,716.10

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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.