Home / 28,711.92-43,076.62-14,681.80

Finding the Fourth Proportional to 28,711.92, 43,076.62 and 14,681.80

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Solution

The fourth proportional to 28,711.92, 43,076.62 and 14,681.80 is: 22,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.92 : 43,076.62 = 14,681.80 : x
  2. Step 2: Convert to fraction form
    28,711.92/43,076.62 = 14,681.80/x
  3. Step 3: Cross multiply
    28,711.92x = 43,076.62 × 14,681.80
  4. Step 4: Simplify right side
    28,711.92x = 632,442,336.66
  5. Step 5: Solve for x
    x = 632,442,336.66/28,711.92
  6. Step 6: Final answer
    x = 22,027.17

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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.