Home / 28,113.62-38,796.12-15,366.23

Finding the Fourth Proportional to 28,113.62, 38,796.12 and 15,366.23

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Solution

The fourth proportional to 28,113.62, 38,796.12 and 15,366.23 is: 21,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.62 : 38,796.12 = 15,366.23 : x
  2. Step 2: Convert to fraction form
    28,113.62/38,796.12 = 15,366.23/x
  3. Step 3: Cross multiply
    28,113.62x = 38,796.12 × 15,366.23
  4. Step 4: Simplify right side
    28,113.62x = 596,150,103.03
  5. Step 5: Solve for x
    x = 596,150,103.03/28,113.62
  6. Step 6: Final answer
    x = 21,205.03

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Double scale
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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.