Home / 26,939.26-40,353.80-21,959.38

Finding the Fourth Proportional to 26,939.26, 40,353.80 and 21,959.38

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Solution

The fourth proportional to 26,939.26, 40,353.80 and 21,959.38 is: 32,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.26 : 40,353.80 = 21,959.38 : x
  2. Step 2: Convert to fraction form
    26,939.26/40,353.80 = 21,959.38/x
  3. Step 3: Cross multiply
    26,939.26x = 40,353.80 × 21,959.38
  4. Step 4: Simplify right side
    26,939.26x = 886,144,428.64
  5. Step 5: Solve for x
    x = 886,144,428.64/26,939.26
  6. Step 6: Final answer
    x = 32,894.16

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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.