Home / 20,264.02-30,361.10-18,209.62

Finding the Fourth Proportional to 20,264.02, 30,361.10 and 18,209.62

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Solution

The fourth proportional to 20,264.02, 30,361.10 and 18,209.62 is: 27,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.02 : 30,361.10 = 18,209.62 : x
  2. Step 2: Convert to fraction form
    20,264.02/30,361.10 = 18,209.62/x
  3. Step 3: Cross multiply
    20,264.02x = 30,361.10 × 18,209.62
  4. Step 4: Simplify right side
    20,264.02x = 552,864,093.78
  5. Step 5: Solve for x
    x = 552,864,093.78/20,264.02
  6. Step 6: Final answer
    x = 27,283.04

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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.