Home / 22,137.80-33,158.10-15,528.20

Finding the Fourth Proportional to 22,137.80, 33,158.10 and 15,528.20

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Solution

The fourth proportional to 22,137.80, 33,158.10 and 15,528.20 is: 23,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.80 : 33,158.10 = 15,528.20 : x
  2. Step 2: Convert to fraction form
    22,137.80/33,158.10 = 15,528.20/x
  3. Step 3: Cross multiply
    22,137.80x = 33,158.10 × 15,528.20
  4. Step 4: Simplify right side
    22,137.80x = 514,885,608.42
  5. Step 5: Solve for x
    x = 514,885,608.42/22,137.80
  6. Step 6: Final answer
    x = 23,258.21

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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.