Home / 26,851.50-40,284.40-9,321.30

Finding the Fourth Proportional to 26,851.50, 40,284.40 and 9,321.30

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Solution

The fourth proportional to 26,851.50, 40,284.40 and 9,321.30 is: 13,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.50 : 40,284.40 = 9,321.30 : x
  2. Step 2: Convert to fraction form
    26,851.50/40,284.40 = 9,321.30/x
  3. Step 3: Cross multiply
    26,851.50x = 40,284.40 × 9,321.30
  4. Step 4: Simplify right side
    26,851.50x = 375,502,977.72
  5. Step 5: Solve for x
    x = 375,502,977.72/26,851.50
  6. Step 6: Final answer
    x = 13,984.43

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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.