Home / 55,216.62-82,827.72-15,779.61

Finding the Fourth Proportional to 55,216.62, 82,827.72 and 15,779.61

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Solution

The fourth proportional to 55,216.62, 82,827.72 and 15,779.61 is: 23,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.62 : 82,827.72 = 15,779.61 : x
  2. Step 2: Convert to fraction form
    55,216.62/82,827.72 = 15,779.61/x
  3. Step 3: Cross multiply
    55,216.62x = 82,827.72 × 15,779.61
  4. Step 4: Simplify right side
    55,216.62x = 1,306,989,118.79
  5. Step 5: Solve for x
    x = 1,306,989,118.79/55,216.62
  6. Step 6: Final answer
    x = 23,670.21

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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.