Home / 26,647.38-39,967.43-7,930.31

Finding the Fourth Proportional to 26,647.38, 39,967.43 and 7,930.31

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Solution

The fourth proportional to 26,647.38, 39,967.43 and 7,930.31 is: 11,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.38 : 39,967.43 = 7,930.31 : x
  2. Step 2: Convert to fraction form
    26,647.38/39,967.43 = 7,930.31/x
  3. Step 3: Cross multiply
    26,647.38x = 39,967.43 × 7,930.31
  4. Step 4: Simplify right side
    26,647.38x = 316,953,870.31
  5. Step 5: Solve for x
    x = 316,953,870.31/26,647.38
  6. Step 6: Final answer
    x = 11,894.37

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Similar ratio
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1.5x scale

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.