Home / 20,052.80-27,670.36-11,099.04

Finding the Fourth Proportional to 20,052.80, 27,670.36 and 11,099.04

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Solution

The fourth proportional to 20,052.80, 27,670.36 and 11,099.04 is: 15,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.80 : 27,670.36 = 11,099.04 : x
  2. Step 2: Convert to fraction form
    20,052.80/27,670.36 = 11,099.04/x
  3. Step 3: Cross multiply
    20,052.80x = 27,670.36 × 11,099.04
  4. Step 4: Simplify right side
    20,052.80x = 307,114,432.45
  5. Step 5: Solve for x
    x = 307,114,432.45/20,052.80
  6. Step 6: Final answer
    x = 15,315.29

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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.