Home / 28,996.89-43,424.10-14,157.96

Finding the Fourth Proportional to 28,996.89, 43,424.10 and 14,157.96

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Solution

The fourth proportional to 28,996.89, 43,424.10 and 14,157.96 is: 21,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.89 : 43,424.10 = 14,157.96 : x
  2. Step 2: Convert to fraction form
    28,996.89/43,424.10 = 14,157.96/x
  3. Step 3: Cross multiply
    28,996.89x = 43,424.10 × 14,157.96
  4. Step 4: Simplify right side
    28,996.89x = 614,796,670.84
  5. Step 5: Solve for x
    x = 614,796,670.84/28,996.89
  6. Step 6: Final answer
    x = 21,202.16

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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.