Home / 28,033.11-38,685.41-15,286.26

Finding the Fourth Proportional to 28,033.11, 38,685.41 and 15,286.26

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Solution

The fourth proportional to 28,033.11, 38,685.41 and 15,286.26 is: 21,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.11 : 38,685.41 = 15,286.26 : x
  2. Step 2: Convert to fraction form
    28,033.11/38,685.41 = 15,286.26/x
  3. Step 3: Cross multiply
    28,033.11x = 38,685.41 × 15,286.26
  4. Step 4: Simplify right side
    28,033.11x = 591,354,965.61
  5. Step 5: Solve for x
    x = 591,354,965.61/28,033.11
  6. Step 6: Final answer
    x = 21,094.88

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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.