Home / 28,080.19-38,747.73-16,145.25

Finding the Fourth Proportional to 28,080.19, 38,747.73 and 16,145.25

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Solution

The fourth proportional to 28,080.19, 38,747.73 and 16,145.25 is: 22,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.19 : 38,747.73 = 16,145.25 : x
  2. Step 2: Convert to fraction form
    28,080.19/38,747.73 = 16,145.25/x
  3. Step 3: Cross multiply
    28,080.19x = 38,747.73 × 16,145.25
  4. Step 4: Simplify right side
    28,080.19x = 625,591,787.78
  5. Step 5: Solve for x
    x = 625,591,787.78/28,080.19
  6. Step 6: Final answer
    x = 22,278.76

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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.