Home / 28,610.24-42,927.69-15,471.86

Finding the Fourth Proportional to 28,610.24, 42,927.69 and 15,471.86

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Solution

The fourth proportional to 28,610.24, 42,927.69 and 15,471.86 is: 23,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.24 : 42,927.69 = 15,471.86 : x
  2. Step 2: Convert to fraction form
    28,610.24/42,927.69 = 15,471.86/x
  3. Step 3: Cross multiply
    28,610.24x = 42,927.69 × 15,471.86
  4. Step 4: Simplify right side
    28,610.24x = 664,171,209.80
  5. Step 5: Solve for x
    x = 664,171,209.80/28,610.24
  6. Step 6: Final answer
    x = 23,214.46

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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.