Home / 55,157.03-82,721.87-15,714.48

Finding the Fourth Proportional to 55,157.03, 82,721.87 and 15,714.48

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Solution

The fourth proportional to 55,157.03, 82,721.87 and 15,714.48 is: 23,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.03 : 82,721.87 = 15,714.48 : x
  2. Step 2: Convert to fraction form
    55,157.03/82,721.87 = 15,714.48/x
  3. Step 3: Cross multiply
    55,157.03x = 82,721.87 × 15,714.48
  4. Step 4: Simplify right side
    55,157.03x = 1,299,931,093.11
  5. Step 5: Solve for x
    x = 1,299,931,093.11/55,157.03
  6. Step 6: Final answer
    x = 23,567.82

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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.