Home / 26,630-39,939.52-12,584.06

Finding the Fourth Proportional to 26,630, 39,939.52 and 12,584.06

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Solution

The fourth proportional to 26,630, 39,939.52 and 12,584.06 is: 18,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630 : 39,939.52 = 12,584.06 : x
  2. Step 2: Convert to fraction form
    26,630/39,939.52 = 12,584.06/x
  3. Step 3: Cross multiply
    26,630x = 39,939.52 × 12,584.06
  4. Step 4: Simplify right side
    26,630x = 502,601,316.05
  5. Step 5: Solve for x
    x = 502,601,316.05/26,630
  6. Step 6: Final answer
    x = 18,873.50

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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.