Home / 28,324.80-42,487.92-15,837.84

Finding the Fourth Proportional to 28,324.80, 42,487.92 and 15,837.84

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Solution

The fourth proportional to 28,324.80, 42,487.92 and 15,837.84 is: 23,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.80 : 42,487.92 = 15,837.84 : x
  2. Step 2: Convert to fraction form
    28,324.80/42,487.92 = 15,837.84/x
  3. Step 3: Cross multiply
    28,324.80x = 42,487.92 × 15,837.84
  4. Step 4: Simplify right side
    28,324.80x = 672,916,878.89
  5. Step 5: Solve for x
    x = 672,916,878.89/28,324.80
  6. Step 6: Final answer
    x = 23,757.16

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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.