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Finding the Fourth Proportional to 28,600, 42,923.04 and 14,752.96

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Solution

The fourth proportional to 28,600, 42,923.04 and 14,752.96 is: 22,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600 : 42,923.04 = 14,752.96 : x
  2. Step 2: Convert to fraction form
    28,600/42,923.04 = 14,752.96/x
  3. Step 3: Cross multiply
    28,600x = 42,923.04 × 14,752.96
  4. Step 4: Simplify right side
    28,600x = 633,241,892.20
  5. Step 5: Solve for x
    x = 633,241,892.20/28,600
  6. Step 6: Final answer
    x = 22,141.32

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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.