Home / 26,474.54-39,700.14-12,438.56

Finding the Fourth Proportional to 26,474.54, 39,700.14 and 12,438.56

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Solution

The fourth proportional to 26,474.54, 39,700.14 and 12,438.56 is: 18,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.54 : 39,700.14 = 12,438.56 : x
  2. Step 2: Convert to fraction form
    26,474.54/39,700.14 = 12,438.56/x
  3. Step 3: Cross multiply
    26,474.54x = 39,700.14 × 12,438.56
  4. Step 4: Simplify right side
    26,474.54x = 493,812,573.40
  5. Step 5: Solve for x
    x = 493,812,573.40/26,474.54
  6. Step 6: Final answer
    x = 18,652.36

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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.