Home / 22,274.60-33,411.90-18,775.40

Finding the Fourth Proportional to 22,274.60, 33,411.90 and 18,775.40

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Solution

The fourth proportional to 22,274.60, 33,411.90 and 18,775.40 is: 28,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.60 : 33,411.90 = 18,775.40 : x
  2. Step 2: Convert to fraction form
    22,274.60/33,411.90 = 18,775.40/x
  3. Step 3: Cross multiply
    22,274.60x = 33,411.90 × 18,775.40
  4. Step 4: Simplify right side
    22,274.60x = 627,321,787.26
  5. Step 5: Solve for x
    x = 627,321,787.26/22,274.60
  6. Step 6: Final answer
    x = 28,163.10

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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.