Home / 28,882.46-43,274.40-15,711.32

Finding the Fourth Proportional to 28,882.46, 43,274.40 and 15,711.32

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Solution

The fourth proportional to 28,882.46, 43,274.40 and 15,711.32 is: 23,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.46 : 43,274.40 = 15,711.32 : x
  2. Step 2: Convert to fraction form
    28,882.46/43,274.40 = 15,711.32/x
  3. Step 3: Cross multiply
    28,882.46x = 43,274.40 × 15,711.32
  4. Step 4: Simplify right side
    28,882.46x = 679,897,946.21
  5. Step 5: Solve for x
    x = 679,897,946.21/28,882.46
  6. Step 6: Final answer
    x = 23,540.17

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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.