Home / 28,052.91-42,057.41-14,005.89

Finding the Fourth Proportional to 28,052.91, 42,057.41 and 14,005.89

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Solution

The fourth proportional to 28,052.91, 42,057.41 and 14,005.89 is: 20,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.91 : 42,057.41 = 14,005.89 : x
  2. Step 2: Convert to fraction form
    28,052.91/42,057.41 = 14,005.89/x
  3. Step 3: Cross multiply
    28,052.91x = 42,057.41 × 14,005.89
  4. Step 4: Simplify right side
    28,052.91x = 589,051,388.12
  5. Step 5: Solve for x
    x = 589,051,388.12/28,052.91
  6. Step 6: Final answer
    x = 20,997.87

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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.