Home / 28,882.96-43,275.15-15,711.82

Finding the Fourth Proportional to 28,882.96, 43,275.15 and 15,711.82

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Solution

The fourth proportional to 28,882.96, 43,275.15 and 15,711.82 is: 23,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.96 : 43,275.15 = 15,711.82 : x
  2. Step 2: Convert to fraction form
    28,882.96/43,275.15 = 15,711.82/x
  3. Step 3: Cross multiply
    28,882.96x = 43,275.15 × 15,711.82
  4. Step 4: Simplify right side
    28,882.96x = 679,931,367.27
  5. Step 5: Solve for x
    x = 679,931,367.27/28,882.96
  6. Step 6: Final answer
    x = 23,540.92

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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.