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Finding the Fourth Proportional to 28,592, 42,911.04 and 14,744.96

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Solution

The fourth proportional to 28,592, 42,911.04 and 14,744.96 is: 22,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592 : 42,911.04 = 14,744.96 : x
  2. Step 2: Convert to fraction form
    28,592/42,911.04 = 14,744.96/x
  3. Step 3: Cross multiply
    28,592x = 42,911.04 × 14,744.96
  4. Step 4: Simplify right side
    28,592x = 632,721,568.36
  5. Step 5: Solve for x
    x = 632,721,568.36/28,592
  6. Step 6: Final answer
    x = 22,129.32

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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.