Home / 26,682.30-36,823-15,353.52

Finding the Fourth Proportional to 26,682.30, 36,823 and 15,353.52

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Solution

The fourth proportional to 26,682.30, 36,823 and 15,353.52 is: 21,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.30 : 36,823 = 15,353.52 : x
  2. Step 2: Convert to fraction form
    26,682.30/36,823 = 15,353.52/x
  3. Step 3: Cross multiply
    26,682.30x = 36,823 × 15,353.52
  4. Step 4: Simplify right side
    26,682.30x = 565,362,666.96
  5. Step 5: Solve for x
    x = 565,362,666.96/26,682.30
  6. Step 6: Final answer
    x = 21,188.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.