Home / 26,438.61-39,670.83-11,645.69

Finding the Fourth Proportional to 26,438.61, 39,670.83 and 11,645.69

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Solution

The fourth proportional to 26,438.61, 39,670.83 and 11,645.69 is: 17,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.61 : 39,670.83 = 11,645.69 : x
  2. Step 2: Convert to fraction form
    26,438.61/39,670.83 = 11,645.69/x
  3. Step 3: Cross multiply
    26,438.61x = 39,670.83 × 11,645.69
  4. Step 4: Simplify right side
    26,438.61x = 461,993,989.87
  5. Step 5: Solve for x
    x = 461,993,989.87/26,438.61
  6. Step 6: Final answer
    x = 17,474.21

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1.5x scale

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.