Home / 26,955.30-40,445.50-10,309.85

Finding the Fourth Proportional to 26,955.30, 40,445.50 and 10,309.85

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Solution

The fourth proportional to 26,955.30, 40,445.50 and 10,309.85 is: 15,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.30 : 40,445.50 = 10,309.85 : x
  2. Step 2: Convert to fraction form
    26,955.30/40,445.50 = 10,309.85/x
  3. Step 3: Cross multiply
    26,955.30x = 40,445.50 × 10,309.85
  4. Step 4: Simplify right side
    26,955.30x = 416,987,038.18
  5. Step 5: Solve for x
    x = 416,987,038.18/26,955.30
  6. Step 6: Final answer
    x = 15,469.58

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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.