Home / 22,157.50-33,389.11-20,077.42

Finding the Fourth Proportional to 22,157.50, 33,389.11 and 20,077.42

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Solution

The fourth proportional to 22,157.50, 33,389.11 and 20,077.42 is: 30,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.50 : 33,389.11 = 20,077.42 : x
  2. Step 2: Convert to fraction form
    22,157.50/33,389.11 = 20,077.42/x
  3. Step 3: Cross multiply
    22,157.50x = 33,389.11 × 20,077.42
  4. Step 4: Simplify right side
    22,157.50x = 670,367,184.90
  5. Step 5: Solve for x
    x = 670,367,184.90/22,157.50
  6. Step 6: Final answer
    x = 30,254.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.