Home / 28,052.64-42,086.28-10,522.80

Finding the Fourth Proportional to 28,052.64, 42,086.28 and 10,522.80

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Solution

The fourth proportional to 28,052.64, 42,086.28 and 10,522.80 is: 15,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.64 : 42,086.28 = 10,522.80 : x
  2. Step 2: Convert to fraction form
    28,052.64/42,086.28 = 10,522.80/x
  3. Step 3: Cross multiply
    28,052.64x = 42,086.28 × 10,522.80
  4. Step 4: Simplify right side
    28,052.64x = 442,865,507.18
  5. Step 5: Solve for x
    x = 442,865,507.18/28,052.64
  6. Step 6: Final answer
    x = 15,786.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.