Home / 26,318.52-39,484.14-8,789.64

Finding the Fourth Proportional to 26,318.52, 39,484.14 and 8,789.64

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Solution

The fourth proportional to 26,318.52, 39,484.14 and 8,789.64 is: 13,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.52 : 39,484.14 = 8,789.64 : x
  2. Step 2: Convert to fraction form
    26,318.52/39,484.14 = 8,789.64/x
  3. Step 3: Cross multiply
    26,318.52x = 39,484.14 × 8,789.64
  4. Step 4: Simplify right side
    26,318.52x = 347,051,376.31
  5. Step 5: Solve for x
    x = 347,051,376.31/26,318.52
  6. Step 6: Final answer
    x = 13,186.58

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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.