Home / 26,973.12-40,478-9,442.88

Finding the Fourth Proportional to 26,973.12, 40,478 and 9,442.88

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Solution

The fourth proportional to 26,973.12, 40,478 and 9,442.88 is: 14,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.12 : 40,478 = 9,442.88 : x
  2. Step 2: Convert to fraction form
    26,973.12/40,478 = 9,442.88/x
  3. Step 3: Cross multiply
    26,973.12x = 40,478 × 9,442.88
  4. Step 4: Simplify right side
    26,973.12x = 382,228,896.64
  5. Step 5: Solve for x
    x = 382,228,896.64/26,973.12
  6. Step 6: Final answer
    x = 14,170.73

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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.