Home / 20,552.02-28,361.80-14,268.04

Finding the Fourth Proportional to 20,552.02, 28,361.80 and 14,268.04

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Solution

The fourth proportional to 20,552.02, 28,361.80 and 14,268.04 is: 19,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.02 : 28,361.80 = 14,268.04 : x
  2. Step 2: Convert to fraction form
    20,552.02/28,361.80 = 14,268.04/x
  3. Step 3: Cross multiply
    20,552.02x = 28,361.80 × 14,268.04
  4. Step 4: Simplify right side
    20,552.02x = 404,667,296.87
  5. Step 5: Solve for x
    x = 404,667,296.87/20,552.02
  6. Step 6: Final answer
    x = 19,689.90

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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.