Home / 28,132.01-38,826.95-16,202.25

Finding the Fourth Proportional to 28,132.01, 38,826.95 and 16,202.25

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Solution

The fourth proportional to 28,132.01, 38,826.95 and 16,202.25 is: 22,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.01 : 38,826.95 = 16,202.25 : x
  2. Step 2: Convert to fraction form
    28,132.01/38,826.95 = 16,202.25/x
  3. Step 3: Cross multiply
    28,132.01x = 38,826.95 × 16,202.25
  4. Step 4: Simplify right side
    28,132.01x = 629,084,045.61
  5. Step 5: Solve for x
    x = 629,084,045.61/28,132.01
  6. Step 6: Final answer
    x = 22,361.86

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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.