Home / 26,939.34-40,405.89-10,299

Finding the Fourth Proportional to 26,939.34, 40,405.89 and 10,299

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Solution

The fourth proportional to 26,939.34, 40,405.89 and 10,299 is: 15,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.34 : 40,405.89 = 10,299 : x
  2. Step 2: Convert to fraction form
    26,939.34/40,405.89 = 10,299/x
  3. Step 3: Cross multiply
    26,939.34x = 40,405.89 × 10,299
  4. Step 4: Simplify right side
    26,939.34x = 416,140,261.11
  5. Step 5: Solve for x
    x = 416,140,261.11/26,939.34
  6. Step 6: Final answer
    x = 15,447.31

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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.