Home / 55,156.84-82,721.59-15,714.29

Finding the Fourth Proportional to 55,156.84, 82,721.59 and 15,714.29

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Solution

The fourth proportional to 55,156.84, 82,721.59 and 15,714.29 is: 23,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.84 : 82,721.59 = 15,714.29 : x
  2. Step 2: Convert to fraction form
    55,156.84/82,721.59 = 15,714.29/x
  3. Step 3: Cross multiply
    55,156.84x = 82,721.59 × 15,714.29
  4. Step 4: Simplify right side
    55,156.84x = 1,299,910,975.95
  5. Step 5: Solve for x
    x = 1,299,910,975.95/55,156.84
  6. Step 6: Final answer
    x = 23,567.54

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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.