Home / 55,310.56-82,965.68-15,866.72

Finding the Fourth Proportional to 55,310.56, 82,965.68 and 15,866.72

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Solution

The fourth proportional to 55,310.56, 82,965.68 and 15,866.72 is: 23,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310.56 : 82,965.68 = 15,866.72 : x
  2. Step 2: Convert to fraction form
    55,310.56/82,965.68 = 15,866.72/x
  3. Step 3: Cross multiply
    55,310.56x = 82,965.68 × 15,866.72
  4. Step 4: Simplify right side
    55,310.56x = 1,316,393,214.17
  5. Step 5: Solve for x
    x = 1,316,393,214.17/55,310.56
  6. Step 6: Final answer
    x = 23,800.03

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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.