Home / 26,783.76-40,185.28-9,255.36

Finding the Fourth Proportional to 26,783.76, 40,185.28 and 9,255.36

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Solution

The fourth proportional to 26,783.76, 40,185.28 and 9,255.36 is: 13,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.76 : 40,185.28 = 9,255.36 : x
  2. Step 2: Convert to fraction form
    26,783.76/40,185.28 = 9,255.36/x
  3. Step 3: Cross multiply
    26,783.76x = 40,185.28 × 9,255.36
  4. Step 4: Simplify right side
    26,783.76x = 371,929,233.10
  5. Step 5: Solve for x
    x = 371,929,233.10/26,783.76
  6. Step 6: Final answer
    x = 13,886.37

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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.